| lm_plot.4way | Create a Four-Panel Regression Assumptions Plot |
| lm_plot.ac | Plot Residuals vs. Observation Order (Autocorrelation Check) |
| lm_plot.df | Augment Model Data for Diagnostic Plots |
| lm_plot.fit | Plot Observed vs. Fitted Values to Check Linearity |
| lm_plot.infl | Plot Leverage vs. Fitted Values to Visualize Inflential Observations |
| lm_plot.lev | Plot Standard Residuals vs. Leverage with Cook's Distance Contours |
| lm_plot.parms | Set or Retrieve Default Plot Parameters for Model Diagnostic Plots |
| lm_plot.qq | Q-Q Plot of Residuals to Assess Normality |
| lm_plot.var | Plot Residuals vs. Fitted Values to Assess Homoskedasticity |
| outlier | Identify Outliers Using Boxplot Heuristic |
| print.sumry.lm | Print a 'sumry' Summarization for Linear Model Objects |
| print.sumry.regsubsets | Print Method for Best Subset Selection ('regsubsets') Objects |
| print.table.sumry.lm | Print a Table from Linear Model Summary |
| sumry | Summary Descriptive Statistics for BAQM |
| sumry.default | Summary Descriptive Statistics for List or Data Frame |
| sumry.lm | Method 'sumry' to Summarize Linear Model ('lm') Objects |
| sumry.regsubsets | Summary for Subset Selection ('regsubsets') Objects |