merTools: REextract – R documentation

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REextract

Extracts random effects

Extracts random effect terms from an lme4 model

REextract(merMod)

merMod

a merMod object from the lme4 package

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

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

Tools for Analyzing Mixed Effect Regression Models

v0.5.2

GPL (>= 2)

Authors

Jared E. Knowles [aut, cre], Carl Frederick [aut], Alex Whitworth [ctb]

Initial release