lmer {lmerTest} | R Documentation |
Fit a linear mixed model
This lmer
function is an overloaded function of lmer
(merMod
class from lme4 package).
An object of class "merModLmerTest"
merModLmerTest
class
library(lmerTest) ## linear mixed models fm1 <- lmer(Reaction ~ Days + (Days|Subject), sleepstudy) fm2 <- lmer(Reaction ~ Days + (1|Subject) + (0+Days|Subject), sleepstudy) # anova table the same as of class merMod but with additional F statistics and # p-values calculated based on Satterthwaite's approximations anova(fm1) # anova table the same as of class merMod but with additional F statistics and # p-values calculated based on Kenward-Roger's approximations ## Not run: if(requireNamespace("pbkrtest", quietly = TRUE)) anova(fm1, ddf="Kenward-Roger") # anova table the same as of class merMod anova(fm1, ddf="lme4") ## End(Not run) # gives summary of merModLmerTest class. The same as of class merMod but with # additional p-values calculated based on Satterthwate's approximations summary(fm1) ## multiple comparisons statistics. The one from lme4 package ## Not run: anova(fm1, fm2) ## End(Not run)