summary-methods {lmerTest} | R Documentation

## Methods for Function `summary` in Package lmerTest

### Description

Methods for function `summary` in package lmerTest

### Methods

`signature(object = "merModLmerTest" ,ddf = "Satterthwaite" ,...)`

  summary of the results of linear mixed effects model fitting of object. Returns the same output as summary of "merMod" class but with additional columns with the names `"df"`, `"t value"` and `"Pr(>t)"` representing degrees of freedom, `t`-statistics and `p`-values respectively calculated based on Satterthwaite's or Kenward-Roger's approximations. `summary`

### Examples

    (fm1 <- lmer(Reaction ~ Days + (Days | Subject), sleepstudy))

    ## will give you an additional column with p values for the t test
    summary(fm1)

    ##using Kenward-Roger approximations to degrees of freedom
    if(require(pbkrtest))
    summary(fm1, ddf="Kenward-Roger")

    #will give the summary of lme4 package
    summary(fm1, ddf="lme4")

[Package lmerTest version 2.0-33 Index]