Topic: Residuals and Transformations

Log-Transforming Predictors for Logarithmic Patterns

Log-Log Models for Power-Law Relationships

Leverage and Unusual Predictor Values

Interpreting Coefficients in Log-Transformed Models

Finding Response Outliers With Studentized Residuals

Detecting Unequal Spread in Residual Plots

Decomposing Variation in Simple Linear Regression

Cook’s Distance for Influential Observations

Computing and Interpreting Regression Residuals

Choosing Transformations from Residual Diagnostics