2.2.4.3.1 Tutorial for Double Exponential Smoothing

Summary

This Double Exponential Smoothing tool is supported in the Time Series Analysis App. It is suggested to smooth the time series with trend.

Notes for Starting

Topics for Further Reading:


Steps in Origin

  1. Open the sample project file in Origin, go to Folder Smooth using the Project Explorer. Activate the workbook Annual electricity sales for South Australia from 1989 to 2008.
    Double exp sm data pe.png
  2. Highlight column B in worksheet. Click the Time Series Analysis App icon Time Series Analysis icon.png in the Apps Gallery window.
  3. Choose Smooth tab. Click Double Exp Smoothing icon to open the dialog.
    Double exp sm toolbar.png
  4. In the Setting tab,set Weights to Optimal ARIMA. To predict beer sales in the next 3 months, set Number of Forecasts to 3.
    Double exp sm dialog.png
  5. Click Preview button to display fitted curve with forecasts against actual data.
  6. Accept all other default settings and click OK button.
    Double exp sm report.png