diagnostics on


The displayed values for r (the correlation coefficient) and/or r2 (the coefficient of determination) may be switched on or off by using the DiagnosticOn or the DiagnosticOff instruction.

If the values for r and/or r2 do not need to be displayed, from the home screen press and scroll down to the option DiagnosticOff. Press  . The word Done should appear on the home screen.

Upon finding the values for a regression model, the values for r and r2 are not displayed. The displayed values for a linear regression model are shown below.

If the values for r and/or r2 are needed, choose DiagnosticOn from the catalog. Be sure to press once the DiagnosticOn instruction is placed on the home screen. The word Done should appear.

Upon finding the values for a regression model, the values of r and r2 are now displayed. The displayed values for the same linear regression model are shown below.