Topic: Leverage and Influential Observations

Valid Extreme Cases and Data Errors

The Leave-One-Out Identity for OLS

Residual Size Versus Influence

Reporting Influence Diagnostics

Predictor Geometry and Leverage

Masking and Swamping in Influence Screening

Large Residual With Low Leverage

Leverage and Residual Variance

Investigating Flagged Observations

Interpreting Cook’s Distance