Texas Instruments TI-84 Plus Manual Book page 308

By default, these values are not displayed with the results of a regression model when
you execute it. However, you can set the diagnostics display mode by executing the
or instruction. Each instruction is in the CATALOG
DiagnosticOn DiagnosticOff
(Chapter 15).
from the home screen, press y N,
To set or
Note: DiagnosticOn DiagnosticOff
and then select the instruction for the mode you want. The instruction is pasted to the
home screen. Press Í to set the mode.
When is set, diagnostics are displayed with the results when you execute a
DiagnosticOn
regression model.
When is set, diagnostics are not displayed with the results when you
DiagnosticOff
execute a regression model.
Chapter 12: Statistics 305