The Diagnostic flag must be
“on” for you to see your r and r2 values when examining a regression equation.
Note: When your
calculator is reset (or the default is set), your Diagnostic
flag will be turned off. You will need
to turn your Diagnostics back on.
To turn the Diagnostics on: 1. Press 2nd CATALOG (above the numeral zero) to
display the Catalog in alpha mode (note the A in the
upper right hand corner).
2. Press D (to fast forward to the D's) and use the down arrow ▼ to move the pointer to
DiagnosticOn.
3. Press ENTER. DiagnosticOn will appear on the home screen. Press
ENTER and
“Done” will appear.
With the newer operating systems, you can control the Diagnostics Flag under MODE:
