This tutorial shows how to smooth the data.
  1. Select data series 'Lines' and data series 'Points' on left panel.
  2. Select menu item <Analysis><Smooth>.
  3. The dialog appears.
  4. Click the [Operation] tab and select smoothing model 'Best fitting'.
  5. New serie appears.
  6. Vary number of points to smooth.
  7. Click the [Series] tab and select line color.
  8. To change the name of new series, click Formula.
  9. Click Apply and close the dialog.