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	<id>https://onnocenter.or.id/wiki/index.php?action=history&amp;feed=atom&amp;title=Orange%3A_Metric_Evaluation_Model</id>
	<title>Orange: Metric Evaluation Model - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://onnocenter.or.id/wiki/index.php?action=history&amp;feed=atom&amp;title=Orange%3A_Metric_Evaluation_Model"/>
	<link rel="alternate" type="text/html" href="https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;action=history"/>
	<updated>2026-04-26T06:57:45Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.35.4</generator>
	<entry>
		<id>https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59466&amp;oldid=prev</id>
		<title>Onnowpurbo: /* Referensi */</title>
		<link rel="alternate" type="text/html" href="https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59466&amp;oldid=prev"/>
		<updated>2020-01-29T00:27:12Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Referensi&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 00:27, 29 January 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l122&quot; &gt;Line 122:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 122:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* https://towardsdatascience.com/how-to-select-the-right-evaluation-metric-for-machine-learning-models-part-1-regrression-metrics-3606e25beae0&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* https://towardsdatascience.com/how-to-select-the-right-evaluation-metric-for-machine-learning-models-part-1-regrression-metrics-3606e25beae0&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;==Pranala Menarik==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[Data Science]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* [[Orange]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Onnowpurbo</name></author>
	</entry>
	<entry>
		<id>https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59465&amp;oldid=prev</id>
		<title>Onnowpurbo: /* Take-home message */</title>
		<link rel="alternate" type="text/html" href="https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59465&amp;oldid=prev"/>
		<updated>2020-01-29T00:26:45Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Take-home message&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 00:26, 29 January 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l115&quot; &gt;Line 115:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 115:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric9.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric9.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Take-home message&lt;/del&gt;==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Kesimpulan&lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;In this article, we discussed several important regression metrics. We first discussed, Mean Square Error and realized that the best constant for it is the mean targeted value. Root Mean Square Error, and R² are very similar to MSE from optimization perspective. We then discussed Mean Absolute Error and when people prefer to use MAE over MSE.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Dalam artikel ini, kita membahas beberapa metrik regresi penting. Kita pertama kali membahas, Mean Square Error dan menyadari bahwa konstanta terbaik untuk itu adalah nilai target rata-rata. Root Mean Square Error, dan R² sangat mirip dengan MSE dari perspektif optimasi. Kami kemudian mendiskusikan Mean Absolute Error dan kapan orang lebih suka menggunakan MAE daripada MSE.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Referensi==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Referensi==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* https://towardsdatascience.com/how-to-select-the-right-evaluation-metric-for-machine-learning-models-part-1-regrression-metrics-3606e25beae0&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* https://towardsdatascience.com/how-to-select-the-right-evaluation-metric-for-machine-learning-models-part-1-regrression-metrics-3606e25beae0&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Onnowpurbo</name></author>
	</entry>
	<entry>
		<id>https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59464&amp;oldid=prev</id>
		<title>Onnowpurbo: /* MAE vs MSE */</title>
		<link rel="alternate" type="text/html" href="https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59464&amp;oldid=prev"/>
		<updated>2020-01-29T00:25:35Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;MAE vs MSE&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 00:25, 29 January 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l111&quot; &gt;Line 111:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 111:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==MAE vs MSE==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==MAE vs MSE==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;I stated that &lt;/del&gt;MAE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is more &lt;/del&gt;robust (&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;less sensitive to outliers&lt;/del&gt;) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;than &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;but this doesn’t mean it is always better to use &lt;/del&gt;MAE. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The following questions help you to decide&lt;/del&gt;:&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Biasanya &lt;/ins&gt;MAE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;lebih &lt;/ins&gt;robust (&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;kurang sensitif terhadap outlier&lt;/ins&gt;) &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;daripada &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;tetapi ini tidak berarti selalu lebih baik menggunakan &lt;/ins&gt;MAE. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Pertanyaan-pertanyaan berikut membantu kita untuk memutuskan&lt;/ins&gt;:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric9.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric9.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Take-home message==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Take-home message==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Onnowpurbo</name></author>
	</entry>
	<entry>
		<id>https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59463&amp;oldid=prev</id>
		<title>Onnowpurbo: /* R Squared (R²) */</title>
		<link rel="alternate" type="text/html" href="https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59463&amp;oldid=prev"/>
		<updated>2020-01-29T00:24:39Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;R Squared (R²)&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 00:24, 29 January 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l87&quot; &gt;Line 87:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 87:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==R Squared (R²)==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==R Squared (R²)==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Now&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;what if I told you that &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;for my models predictions is &lt;/del&gt;32? &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Should I improve my &lt;/del&gt;model &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;or is it good enough&lt;/del&gt;?&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Or what if my &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;was &lt;/del&gt;0&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;.&lt;/del&gt;4?&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Actually&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;it’s hard to realize if our &lt;/del&gt;model &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is good or not by looking at the absolute values of &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;or &lt;/del&gt;RMSE.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;We would probably want to measure how much our &lt;/del&gt;model &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is better than the constant &lt;/del&gt;baseline.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Sekarang&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;bagaimana jika saya memberi tahu anda bahwa &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;untuk prediksi model saya adalah &lt;/ins&gt;32? &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Haruskah saya meningkatkan &lt;/ins&gt;model &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;saya atau cukup baik&lt;/ins&gt;? &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Atau bagaimana jika &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;saya adalah &lt;/ins&gt;0&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;,&lt;/ins&gt;4? &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Sebenarnya&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;sulit untuk menyadari apakah &lt;/ins&gt;model &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;kita baik atau tidak dengan melihat nilai absolut &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;atau &lt;/ins&gt;RMSE. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Kita mungkin ingin mengukur seberapa banyak &lt;/ins&gt;model &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;kami lebih baik daripada &lt;/ins&gt;baseline &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;konstan&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The coefficient &lt;/del&gt;of determination, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;or &lt;/del&gt;R² (&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;sometimes read as &lt;/del&gt;R-two), &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is another &lt;/del&gt;metric &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;we may use to evaluate a &lt;/del&gt;model &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and it is closely related to &lt;/del&gt;MSE, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;but has the advantage of being scale&lt;/del&gt;-&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;free — it doesn’t matter if the &lt;/del&gt;output &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;values are very large or very small&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the &lt;/del&gt;R² &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is always going to be between &lt;/del&gt;-∞ and 1.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Coefficient &lt;/ins&gt;of determination, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;atau &lt;/ins&gt;R² (&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;atau di kenal sebagai &lt;/ins&gt;R-two), &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;adalah &lt;/ins&gt;metric &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;lainyang bisa kita gunakan untyk mengevaluasi sebuah &lt;/ins&gt;model &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dan ini berhubungan cukup dekat dengan &lt;/ins&gt;MSE, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;tetapi memiliki keuntungan karena bebas skala &lt;/ins&gt;- &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;tidak masalah jika nilai &lt;/ins&gt;output &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;sangat besar atau sangat kecil&lt;/ins&gt;, R² &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;akan selalu berada di antara &lt;/ins&gt;-∞ and 1.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;When &lt;/del&gt;R² &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is negative it means that the &lt;/del&gt;model &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is worse than predicting the mean&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Ketika &lt;/ins&gt;R² &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;negatif, artinya &lt;/ins&gt;model &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;lebih buruk daripada memprediksi rata-rata&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric7.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric7.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;of the &lt;/del&gt;model &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is computed as above&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;while the &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;of the &lt;/del&gt;baseline &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is defined as&lt;/del&gt;:&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dari &lt;/ins&gt;model &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dihitung seperti di atas&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;sedangkan &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dari &lt;/ins&gt;baseline &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;didefinisikan sebagai&lt;/ins&gt;:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric8.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric8.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;where the &lt;/del&gt;y &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;with a &lt;/del&gt;bar &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is the mean of the observed &lt;/del&gt;yᵢ.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;di mana &lt;/ins&gt;y &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dengan &lt;/ins&gt;bar &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;adalah rata-rata &lt;/ins&gt;yᵢ &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;yang diamati&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;To make it more clear&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;this baseline &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;can be thought of as the &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;that the simplest possible &lt;/del&gt;model &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;would get&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The simplest possible model would be to always predict the average of all samples&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;A value close to &lt;/del&gt;1 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;indicates a &lt;/del&gt;model &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;with close to zero error&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and a value close to zero indicates a &lt;/del&gt;model &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;very close to the &lt;/del&gt;baseline.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Untuk membuatnya lebih jelas&lt;/ins&gt;, MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dasar ini dapat dianggap sebagai &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;yang &lt;/ins&gt;model &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;paling sederhana mungkin dapatkan&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Model yang paling sederhana adalah dengan selalu memprediksi rata-rata semua sampel&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Nilai mendekati &lt;/ins&gt;1 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;menunjukkan &lt;/ins&gt;model &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dengan kesalahan hampir nol&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dan nilai mendekati nol menunjukkan &lt;/ins&gt;model &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;yang sangat dekat dengan &lt;/ins&gt;baseline.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;In conclusion&lt;/del&gt;, R² &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is the ratio between how good our &lt;/del&gt;model &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/del&gt;vs &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;how good is the naive mean &lt;/del&gt;model.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Kesimpulannya&lt;/ins&gt;, R² &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;adalah rasio antara seberapa baik &lt;/ins&gt;model &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;kami &lt;/ins&gt;vs &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;seberapa baik adalah &lt;/ins&gt;model &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;rata-rata naif&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Common Misconception&lt;/del&gt;: &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Alot of articles in the &lt;/del&gt;web &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;states that the range of &lt;/del&gt;R² &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;lies between &lt;/del&gt;0 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/del&gt;1 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;which is not actually true&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The maximum value of &lt;/del&gt;R² &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is &lt;/del&gt;1 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;but &lt;/del&gt;minimum &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;can be &lt;/del&gt;minus &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;infinity&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Kesalahpahaman umum&lt;/ins&gt;: &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Banyak artikel di &lt;/ins&gt;web &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;menyatakan bahwa kisaran &lt;/ins&gt;R² &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;terletak antara &lt;/ins&gt;0 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dan &lt;/ins&gt;1 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;yang sebenarnya tidak benar&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Nilai maksimum &lt;/ins&gt;R² &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;adalah &lt;/ins&gt;1 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;tetapi &lt;/ins&gt;minimum &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;bisa &lt;/ins&gt;minus &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;tak terhingga&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;For example&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;consider a really crappy &lt;/del&gt;model &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;predicting highly negative value for all the observations even though &lt;/del&gt;y_actual &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is positive&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;In this case&lt;/del&gt;, R² &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;will be less than &lt;/del&gt;0. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;This is a highly unlikely scenario but the possibility still exists&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Sebagai contoh&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;pertimbangkan &lt;/ins&gt;model &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;yang benar-benar jelek yang memprediksi nilai sangat negatif untuk semua pengamatan meskipun &lt;/ins&gt;y_actual &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;positif&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Dalam hal ini&lt;/ins&gt;, R² &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;akan kurang dari &lt;/ins&gt;0. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Ini adalah skenario yang sangat tidak mungkin tetapi kemungkinan masih ada&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==MAE vs MSE==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==MAE vs MSE==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Onnowpurbo</name></author>
	</entry>
	<entry>
		<id>https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59461&amp;oldid=prev</id>
		<title>Onnowpurbo: /* Mean Absolute Error (MAE) */</title>
		<link rel="alternate" type="text/html" href="https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59461&amp;oldid=prev"/>
		<updated>2020-01-28T07:07:32Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Mean Absolute Error (MAE)&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 07:07, 28 January 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l78&quot; &gt;Line 78:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 78:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Sekarang, gradien tidak didefinisikan ketika prediksi sempurna, karena ketika Y_hat sama dengan Y, kita tidak dapat mengevaluasi gradien. Itu tidak didefinisikan.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Sekarang, gradien tidak didefinisikan ketika prediksi sempurna, karena ketika Y_hat sama dengan Y, kita tidak dapat mengevaluasi gradien. Itu tidak didefinisikan.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric6.png|center|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;200px&lt;/del&gt;|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric6.png|center|&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;400px&lt;/ins&gt;|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Jadi secara formal, MAE tidak dapat dibedakan, tetapi pada kenyataannya, seberapa sering prediksi mereka mengukur target dengan sempurna. Bahkan jika mereka melakukannya, kita dapat menulis kondisi IF sederhana dan returnzero ketika itu terjadi dan melalui gradien sebaliknya. Ketahuilah juga bahwa turunan kedua adalah nol di mana-mana dan tidak didefinisikan di titik nol.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Jadi secara formal, MAE tidak dapat dibedakan, tetapi pada kenyataannya, seberapa sering prediksi mereka mengukur target dengan sempurna. Bahkan jika mereka melakukannya, kita dapat menulis kondisi IF sederhana dan returnzero ketika itu terjadi dan melalui gradien sebaliknya. Ketahuilah juga bahwa turunan kedua adalah nol di mana-mana dan tidak didefinisikan di titik nol.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Note that if we want to have a constant prediction the best one will be the &lt;/del&gt;median &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;value of the &lt;/del&gt;target &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;values&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;It can be found by setting the derivative of our &lt;/del&gt;total &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;error with respect to that constant to zero&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and find it from this equation&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Perhatikan bahwa jika kita ingin memiliki prediksi konstan, yang terbaik adalah nilai &lt;/ins&gt;median &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dari nilai &lt;/ins&gt;target. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Ini dapat ditemukan dengan menetapkan turunan dari kesalahan &lt;/ins&gt;total &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;kita sehubungan dengan konstanta ke nol&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dan menemukannya dari persamaan ini&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==R Squared (R²)==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==R Squared (R²)==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Onnowpurbo</name></author>
	</entry>
	<entry>
		<id>https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59460&amp;oldid=prev</id>
		<title>Onnowpurbo: /* Mean Absolute Error (MAE) */</title>
		<link rel="alternate" type="text/html" href="https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59460&amp;oldid=prev"/>
		<updated>2020-01-28T07:06:07Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Mean Absolute Error (MAE)&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 07:06, 28 January 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l74&quot; &gt;Line 74:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 74:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;MAE banyak digunakan dalam keuangan, di mana kesalahan $10 biasanya dua kali lebih buruk daripada kesalahan $5. Di sisi lain, metrik MSE berpikir bahwa kesalahan $10 adalah empat kali lebih buruk daripada kesalahan $5. MAE lebih mudah di justifikasi daripada RMSE.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;MAE banyak digunakan dalam keuangan, di mana kesalahan $10 biasanya dua kali lebih buruk daripada kesalahan $5. Di sisi lain, metrik MSE berpikir bahwa kesalahan $10 adalah empat kali lebih buruk daripada kesalahan $5. MAE lebih mudah di justifikasi daripada RMSE.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Another important thing about &lt;/del&gt;MAE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is its gradients with respect to the predictions&lt;/del&gt;.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The gradiend is a step function and it takes &lt;/del&gt;-1 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;when &lt;/del&gt;Y_hat &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is smaller than the &lt;/del&gt;target &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/del&gt;+1 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;when it is larger.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Hal penting lainnya tentang &lt;/ins&gt;MAE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;adalah gradiennya sehubungan dengan prediksi&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Gradien adalah fungsi langkah dan dibutuhkan &lt;/ins&gt;-1 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;saat &lt;/ins&gt;Y_hat &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;lebih kecil dari &lt;/ins&gt;target &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dan &lt;/ins&gt;+1 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;saat lebih besar&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Now, the gradient is not defined when the prediction is perfect,because when Y_hat is equal to Y, we can not evaluate gradient. It is not defined&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Sekarang, gradien tidak didefinisikan ketika prediksi sempurna, karena ketika Y_hat sama dengan Y, kita tidak dapat mengevaluasi gradien. Itu tidak didefinisikan.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric6.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric6.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;So formally&lt;/del&gt;, MAE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is not differentiable&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;but in fact&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;how often your predictions perfectly measure the &lt;/del&gt;target. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Even if they do&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;we can write a simple &lt;/del&gt;IF &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;condition and &lt;/del&gt;returnzero &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;when it is the case and through gradient otherwise&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Also know that second derivative is zero everywhere and not defined in the point zero&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Jadi secara formal&lt;/ins&gt;, MAE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;tidak dapat dibedakan&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;tetapi pada kenyataannya&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;seberapa sering prediksi mereka mengukur &lt;/ins&gt;target &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dengan sempurna&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Bahkan jika mereka melakukannya&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;kita dapat menulis kondisi &lt;/ins&gt;IF &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;sederhana dan &lt;/ins&gt;returnzero &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;ketika itu terjadi dan melalui gradien sebaliknya&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Ketahuilah juga bahwa turunan kedua adalah nol di mana-mana dan tidak didefinisikan di titik nol&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Note that if we want to have a constant prediction the best one will be the median value of the target values. It can be found by setting the derivative of our total error with respect to that constant to zero, and find it from this equation.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Note that if we want to have a constant prediction the best one will be the median value of the target values. It can be found by setting the derivative of our total error with respect to that constant to zero, and find it from this equation.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Onnowpurbo</name></author>
	</entry>
	<entry>
		<id>https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59459&amp;oldid=prev</id>
		<title>Onnowpurbo: /* Mean Absolute Error (MAE) */</title>
		<link rel="alternate" type="text/html" href="https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59459&amp;oldid=prev"/>
		<updated>2020-01-28T06:57:33Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Mean Absolute Error (MAE)&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 06:57, 28 January 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l66&quot; &gt;Line 66:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 66:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Mean Absolute Error (MAE)==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Mean Absolute Error (MAE)==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;In &lt;/del&gt;MAE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the error is calculated as an average of absolute differences between the &lt;/del&gt;target &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;values and the predictions&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The &lt;/del&gt;MAE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is a linear score which means that all the individual differences are weighted equally in the average&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;For example&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the difference between &lt;/del&gt;10 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/del&gt;0 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;will be twice the difference between &lt;/del&gt;5 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/del&gt;0. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;However&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;same is not true for &lt;/del&gt;RMSE. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Mathematically&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;it is calculated using this formula&lt;/del&gt;:&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Dalam &lt;/ins&gt;MAE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;kesalahan dihitung sebagai rata-rata perbedaan absolut antara nilai &lt;/ins&gt;target &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dan prediksi&lt;/ins&gt;. MAE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;adalah skor linier yang berarti bahwa semua perbedaan individu diberi bobot yang sama rata-rata&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Misalnya&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;perbedaan antara &lt;/ins&gt;10 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dan &lt;/ins&gt;0 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;akan menjadi dua kali perbedaan antara &lt;/ins&gt;5 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dan &lt;/ins&gt;0. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Namun&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;hal yang sama tidak berlaku untuk &lt;/ins&gt;RMSE. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Secara matematis&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dihitung menggunakan rumus ini&lt;/ins&gt;:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric5.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric5.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;What is important about this metric is that it penalizes huge errors that not as that badly as &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;does&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Thus&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;it’s not that sensitive to outliers as mean square error&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Yang penting tentang metrik ini adalah metrik ini menghukum kesalahan besar yang tidak separah &lt;/ins&gt;MSE. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Dengan demikian&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;itu tidak sensitif terhadap outlier sebagai kesalahan kuadrat rata-rata&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;MAE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is widely used in finance&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;where &lt;/del&gt;$10 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;error is usually exactly two times worse than &lt;/del&gt;$5 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;error&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;On the other hand&lt;/del&gt;, MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;metric thinks that &lt;/del&gt;$10 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;error is four times worse than &lt;/del&gt;$5 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;error&lt;/del&gt;. MAE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is easier to justify than &lt;/del&gt;RMSE.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;MAE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;banyak digunakan dalam keuangan&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;di mana kesalahan &lt;/ins&gt;$10 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;biasanya dua kali lebih buruk daripada kesalahan &lt;/ins&gt;$5. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Di sisi lain&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;metrik &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;berpikir bahwa kesalahan &lt;/ins&gt;$10 &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;adalah empat kali lebih buruk daripada kesalahan &lt;/ins&gt;$5. MAE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;lebih mudah di justifikasi daripada &lt;/ins&gt;RMSE.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another important thing about MAE is its gradients with respect to the predictions.The gradiend is a step function and it takes -1 when Y_hat is smaller than the target and +1 when it is larger.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Another important thing about MAE is its gradients with respect to the predictions.The gradiend is a step function and it takes -1 when Y_hat is smaller than the target and +1 when it is larger.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Onnowpurbo</name></author>
	</entry>
	<entry>
		<id>https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59458&amp;oldid=prev</id>
		<title>Onnowpurbo: /* Root Mean Squared Error (RMSE) */</title>
		<link rel="alternate" type="text/html" href="https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59458&amp;oldid=prev"/>
		<updated>2020-01-28T06:53:51Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Root Mean Squared Error (RMSE)&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 06:53, 28 January 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l60&quot; &gt;Line 60:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 60:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Gradien RMSE sehubungan dengan prediksi ke-i&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Gradien RMSE sehubungan dengan prediksi ke-i&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;It means that travelling along &lt;/del&gt;MSE gradient &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is equivalent to traveling along &lt;/del&gt;RMSE gradient &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;but with a different flowing rate and the flowing rate depends on &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;score itself&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Ini berarti bahwa perjalanan sepanjang &lt;/ins&gt;MSE gradient &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;sama dengan perjalanan di sepanjang &lt;/ins&gt;RMSE gradient &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;tetapi dengan laju aliran yang berbeda dan laju aliran tergantung pada skor &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;itu sendiri&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;So even though &lt;/del&gt;RMSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;are really similar in terms of models scoring&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;they can be not immediately interchangeable for gradient based methods&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;We will probably need to adjust some parameters like the &lt;/del&gt;learning rate.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Jadi meskipun &lt;/ins&gt;RMSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dan &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;benar-benar mirip dalam hal penilaian model&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;mereka tidak dapat segera dipertukarkan untuk metode berbasis gradien&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Kita mungkin perlu menyesuaikan beberapa parameter seperti &lt;/ins&gt;learning rate.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Mean Absolute Error (MAE)==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Mean Absolute Error (MAE)==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Onnowpurbo</name></author>
	</entry>
	<entry>
		<id>https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59457&amp;oldid=prev</id>
		<title>Onnowpurbo: /* Root Mean Squared Error (RMSE) */</title>
		<link rel="alternate" type="text/html" href="https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59457&amp;oldid=prev"/>
		<updated>2020-01-28T06:24:47Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Root Mean Squared Error (RMSE)&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 06:24, 28 January 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l52&quot; &gt;Line 52:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 52:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Apa arti-nya bagi kita?&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Apa arti-nya bagi kita?&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;It means that&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;if the &lt;/del&gt;target &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;metric is &lt;/del&gt;RMSE, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;we still can compare our models using &lt;/del&gt;MSE,&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;since &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;will order the models in the same way as &lt;/del&gt;RMSE. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Thus we can optimize &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;instead of &lt;/del&gt;RMSE.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Ini berarti bahwa&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;jika metrik &lt;/ins&gt;target &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;adalah &lt;/ins&gt;RMSE, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;kita masih dapat membandingkan model kita yang menggunakan &lt;/ins&gt;MSE, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;karena &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;akan memberi perintah model dengan cara yang sama seperti &lt;/ins&gt;RMSE. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Dengan demikian kita dapat mengoptimalkan &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;daripada &lt;/ins&gt;RMSE.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;In fact&lt;/del&gt;, MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is a little bit easier to work with&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;so everybody uses &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;instead of &lt;/del&gt;RMSE. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Also a little bit of difference between the two for gradient-based models&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Faktanya&lt;/ins&gt;, MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;sedikit lebih mudah untuk dikerjakan&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;jadi semua orang menggunakan &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;daripada &lt;/ins&gt;RMSE. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Juga sedikit perbedaan antara keduanya untuk model berbasis gradien&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric4.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric4.png|center|200px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Gradient of &lt;/del&gt;RMSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;with respect to &lt;/del&gt;i&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;-th prediction&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Gradien &lt;/ins&gt;RMSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;sehubungan dengan prediksi ke-&lt;/ins&gt;i&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It means that travelling along MSE gradient is equivalent to traveling along RMSE gradient but with a different flowing rate and the flowing rate depends on MSE score itself.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It means that travelling along MSE gradient is equivalent to traveling along RMSE gradient but with a different flowing rate and the flowing rate depends on MSE score itself.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Onnowpurbo</name></author>
	</entry>
	<entry>
		<id>https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59456&amp;oldid=prev</id>
		<title>Onnowpurbo: /* Root Mean Squared Error (RMSE) */</title>
		<link rel="alternate" type="text/html" href="https://onnocenter.or.id/wiki/index.php?title=Orange:_Metric_Evaluation_Model&amp;diff=59456&amp;oldid=prev"/>
		<updated>2020-01-28T06:18:47Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Root Mean Squared Error (RMSE)&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 06:18, 28 January 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l46&quot; &gt;Line 46:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 46:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Sekarang, sangat penting untuk memahami dalam hal apa RMSE mirip dengan MSE, jadi apa bedanya.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Sekarang, sangat penting untuk memahami dalam hal apa RMSE mirip dengan MSE, jadi apa bedanya.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;First&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;they are similar in terms of their minimizers&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;every &lt;/del&gt;minimizer &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;of &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is also a &lt;/del&gt;minimizer &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;for &lt;/del&gt;RMSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and vice versa since the square root is an non-decreasing function&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;For example&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;if we have two sets of predictions&lt;/del&gt;, A &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/del&gt;B, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and say &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;of &lt;/del&gt;A &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is greater than &lt;/del&gt;MSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;of &lt;/del&gt;B, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;then we can be sure that &lt;/del&gt;RMSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;of &lt;/del&gt;A &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is greater &lt;/del&gt;RMSE &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;of &lt;/del&gt;B.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;And it also works in the opposite direction&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Pertama&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;RMSE mirip dalam hal yang mereka minimum-kan&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;setiap &lt;/ins&gt;minimizer MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;juga merupakan &lt;/ins&gt;minimizer &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;untuk &lt;/ins&gt;RMSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dan sebaliknya karena akar kuadrat adalah fungsi yang tidak menurun&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Misalnya&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;jika kita memiliki dua set prediksi&lt;/ins&gt;, A &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dan &lt;/ins&gt;B, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dan katakanlah &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dari &lt;/ins&gt;A &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;lebih besar daripada &lt;/ins&gt;MSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dari &lt;/ins&gt;B, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;maka kita dapat yakin bahwa &lt;/ins&gt;RMSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;dari &lt;/ins&gt;A &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;adalah &lt;/ins&gt;RMSE &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;yang lebih besar dari &lt;/ins&gt;B. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Dan hal itu juga berlaku untuk arah yang berlawanan&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric3.png|center|400px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Metric3.png|center|400px|thumb]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Apa arti-nya bagi kita&lt;/ins&gt;?&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;What does it mean for us&lt;/del&gt;?&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It means that, if the target metric is RMSE, we still can compare our models using MSE,since MSE will order the models in the same way as RMSE. Thus we can optimize MSE instead of RMSE.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It means that, if the target metric is RMSE, we still can compare our models using MSE,since MSE will order the models in the same way as RMSE. Thus we can optimize MSE instead of RMSE.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Onnowpurbo</name></author>
	</entry>
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