merTools (version 0.2.1)

REextract: Extracts random effects

Description

Extracts random effect terms from an lme4 model

Usage

REextract(merMod)

Arguments

merMod

a merMod object from the lme4 package

Value

a data frame with the following columns

groupFctr

The name of the grouping factor associated with the random effects

groupID

The level of the grouping factor associated with the random effects

'term'

One column per random effect, the name is derived from the merMod

'term'_se

One column per random effect, the name is derived from the merMod

Examples

require(lme4)
m2 <- lmer(Reaction ~ Days + (Days | Subject), sleepstudy)
rfx <- REextract(m2)
#Note the column names
head(rfx)