Quick residual plot in TI Nspire

When working with regression analysis, residual plot is a handy tool to gain insights by visualization. The TI Nspire provided easy and convenient access to these plots in just a few clicks.

Using a simple linear regression as an example below:

residualplot1

Access the menu 4:Analyze > 7:Residuals will show the two options for residual plots, including Show Residual Squares and Residual Plots. The nice plotting output are show below.

residualplot2residualplot3

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