Tests in Linear Mixed Effects Models

Provides p-values in type I, II or III anova and summary tables for lmer model fits (cf. lme4) via Satterthwaite's degrees of freedom method. A Kenward-Roger method is also available via the pbkrtest package. Model selection methods include step, drop1 and anova-like tables for random effects (ranova). Methods for Least-Square means (LS-means) and tests of linear contrasts of fixed effects are also available.

Tests Vignettes

Available Snapshots

This version of lmerTest can be found in the following snapshots:


Imports/Depends/LinkingTo/Enhances (4)
  • R
  • lme4 >= 1.1-10
  • numDeriv
  • ggplot2
  • Suggests (1)
  • pbkrtest >= 0.4-3
  • Version History