Regression - Diagnostic - Plot - Residuals vs Fitted extension

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Create a scatterplot of residuals versus fitted values

A chart of residual versus fitted 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.

Acknowledgements

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

References

Bock, T. (2018, August 3) What are Residuals? [Blog post]. Accessed from https://www.displayr.com/learn-what-are-residuals/.

Code

includeWeb("QScript R Output Functions");

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