How to calc the correlation

To estimate the correlation of selected points, follow these steps:

  1. Create some areas 'Clip or 'Rect around points.
  2. To select these areas, use the button Select Area.
  3. Click the button Correlation  or select menu item <Data><Correlation...>.
  4. The dialog Points (X,Y) correlation will appear.
  5. Click the button <Ellipse...>, to build the Confidence ellipse of  correlation of points with colors you selected.