Extract the standard deviation of the random effects from a merMod object

Extract the standard deviation of the random effects from a merMod object

Usage

REsdExtract(model)

Arguments

model

an object that inherits from class merMod

Value

a numeric vector for standard deviations of the random effects

Examples

fm1 <- lmer(Reaction ~ Days + (Days | Subject), sleepstudy)
REsdExtract(fm1)
#> Subject.(Intercept)        Subject.Days 
#>           24.740658            5.922138