Anova Tables for Various Statistical Models
Ellipses, Data Ellipses, and Confidence Ellipses
Export a data frame to disk in one of many formats
Modified Functions for Summarizing Linear, Generalized Linear, and Some Other Models
Apply a Function to a Variable Within Factor Levels
Box-Cox, Box-Cox with Negatives Allowed, Yeo-Johnson and Basic Power Transformations
Graph the profile log-likelihood for Box-Cox transformations in 1D, or in 2D with the bcnPower family.
Constructed Variable for Box-Cox Transformation
View the Official Hex Sticker for the car Package
Set or Retrieve 'car' Package Color Palette
Access to the R Companion to Applied Regression Website
Print estimated coefficients and their standard errors in a table for several regression models.
Estimate and Standard Error of a Nonlinear Function of Estimated Regression Coefficients
Durbin-Watson Test for Autocorrelated Errors
Methods Functions to Support 'boot' Objects
Influence Diagnostics for Mixed-Effects Models
Inverse Response Plots to Transform the Response
Choose a Predictor Transformation Visually or Numerically
Draw Linear Model Marginal and Conditional Plots in Parallel or Overlaid
Score Test for Non-Constant Error Variance
Test for Proportional Odds in the Proportional-Odds Logistic-Regression Model
Label placement for points to avoid overlaps
Finding Univariate or Multivariate Power Transformations
Residual Plots for Linear and Generalized Linear Models
Three-Dimensional Scatterplots and Point Identification
Enhanced Scatterplots with Marginal Boxplots, Point Marking, Smoothers, and More
Functions to Identify and Mark Extreme Points in a 2D Plot.
Return the scale estimate for a regression model
Convert Character-String Variables in a Data Frame to Factors
Plot Output from regsubsets Function in leaps package
Boxplots for transformations to symmetry
Likelihood-Ratio Tests for Univariate or Multivariate Power Transformations to Normality