Regression - Diagnostic - Plot - Residuals vs Leverage extension

A chart of residual versus leverage values from a regression model. See this Cross Validated post for a discussion of the interpretation of this diagnostic.

Example

An example output from running this QScript on a Regression - Linear Regressionlinear regression output is shown below. Contours on the plot represent Cook's distanceCook's distance.

Acknowledgements

Uses the plot.lm or plot.glm functions from the stats R package.

Code

includeWeb("QScript R Output Functions");

const menu_location = "Regression > Diagnostic > Plot > Residuals vs Leverage";
errorIfExtensionsUnavailableInQVersion(menu_location);
createDiagnosticROutputFromSelection(menu_location);