fixef

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Extract fixed-effects estimates

Extract the fixed-effects estimates

Keywords
models
Usage
# S3 method for merMod
fixef (object, add.dropped=FALSE, ...)
Arguments
object

any fitted model object from which fixed effects estimates can be extracted.

add.dropped

for models with rank-deficient design matrix, reconstitute the full-length parameter vector by adding NA values in appropriate locations?

optional additional arguments. Currently none are used in any methods.

Details

Extract the estimates of the fixed-effects parameters from a fitted model.

Value

a named, numeric vector of fixed-effects estimates.

Aliases
  • fixed.effects
  • fixef
  • fixef.merMod
Examples
# NOT RUN {
fixef(lmer(Reaction ~ Days + (1|Subject) + (0+Days|Subject), sleepstudy))
fm2 <- lmer(Reaction ~ Days + Days2 + (1|Subject),
            data=transform(sleepstudy,Days2=Days))
fixef(fm2,add.dropped=TRUE)
## first two parameters are the same ...
stopifnot(all.equal(fixef(fm2,add.dropped=TRUE)[1:2],
                    fixef(fm2)))
# }
Documentation reproduced from package lme4, version 1.1-21, License: GPL (>= 2)

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