Difference between revisions of "Orange: Difference"
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Sumber: https://orange.biolab.si/widget-catalog/time-series/difference/ | Sumber: https://orange.biolab.si/widget-catalog/time-series/difference/ | ||
| − | + | Widget Difference membuat sebuah time series stationary dengan cara menggantinya dengan 1st atau 2nd order discrete difference dari nilai-nilai-nya. Dalam bahasa matematika sederhana, widget Difference mengganti nilai time series input menjadi turunan pertama atau ke dua secara diskrit (digital). | |
| − | + | ==Input== | |
| − | + | Time series: Time series as output by As Timeseries widget. | |
| − | + | ==Output== | |
| − | + | Time series: Differences of input time series. | |
[[File:Difference-stamped.png|center|200px|thumb]] | [[File:Difference-stamped.png|center|200px|thumb]] | ||
| − | + | * Order of differencing. Can be 1 or 2. | |
| − | + | * The shift before differencing. Value of 1 equals to discrete differencing. You can use higher values to compute the difference between now and this many steps ahead. | |
| − | + | * Invert the differencing direction. | |
| − | + | * Select the series to difference. | |
| − | + | Untuk meng-integrasikan agar time series hasil widget Difference kembali ke nilai awal time series (misalnya, forecast), kita dapat menggunakan widget Moving Transform. | |
Latest revision as of 15:29, 7 April 2020
Sumber: https://orange.biolab.si/widget-catalog/time-series/difference/
Widget Difference membuat sebuah time series stationary dengan cara menggantinya dengan 1st atau 2nd order discrete difference dari nilai-nilai-nya. Dalam bahasa matematika sederhana, widget Difference mengganti nilai time series input menjadi turunan pertama atau ke dua secara diskrit (digital).
Input
Time series: Time series as output by As Timeseries widget.
Output
Time series: Differences of input time series.
- Order of differencing. Can be 1 or 2.
- The shift before differencing. Value of 1 equals to discrete differencing. You can use higher values to compute the difference between now and this many steps ahead.
- Invert the differencing direction.
- Select the series to difference.
Untuk meng-integrasikan agar time series hasil widget Difference kembali ke nilai awal time series (misalnya, forecast), kita dapat menggunakan widget Moving Transform.