Orange: Seasonal Adjustment

Sumber: https://orange.biolab.si/widget-catalog/time-series/seasonal_adjustment/

Widget Seasonal Adjustment melakukan dekomposisi sebuah time series menjadi komponen seasonal, trend, dan residual.

Input

Time series: Time series as output by As Timeseries widget.

Output

Time series: Original time series with some additional columns: seasonal component, trend component, residual component, and seasonally adjusted time series.

Length of the season in periods (e.g. 12 for monthly data).
Time series decomposition model, additive or multiplicative.
The series to seasonally adjust.

Contoh

Dalam contoh di bawah ini, dataset airpassengers dari addon time series di load menggunakan widget File. Data tersebut di konversikan menjadi time series menggunakan widget As Timeseries. Time series airpassengers yang dihasilkan widget As Timeseries kemudian di masukan ke widget Seasonal Adjustment untuk memperoleh seasonal, trend maupun residual dari data time series. Hasilnya dimasukan ke widget Line Chart, kita dapat membandingkan antara data time series original dengan seasonal, trend yang ada.