R: Simulate random effects from merMod 'REsim' simulates random...

REsim {merTools} | R Documentation

## Simulate random effects from merMod `REsim` simulates random effects from merMod object posterior distributions

### Description

Simulate random effects from merMod `REsim` simulates random effects from merMod object posterior distributions

### Usage

    REsim(merMod, n.sims = 200, oddsRatio = FALSE, seed = NULL)

### Arguments

`merMod` | a merMod object from the lme4 package
`n.sims` | number of simulations to use
`oddsRatio` | logical, should parameters be converted to odds ratios?
`seed` | numeric, optional argument to set seed for simulations

### Details

Use the Gelman sim technique to build empirical Bayes estimates. Uses the sim function in the arm package

### Value

a data frame with the following columns

`groupFctr`

  Name of the grouping factor

`groupID`

  Level of the grouping factor

`term`

  Name of random term (intercept/coefficient)

`mean`

  Mean of the simulations

`median`

  Median of the simulations

`sd`

  Standard deviation of the simulations, `NA` if `oddsRatio=TRUE`

### Examples

    require(lme4)
    m2 <- lmer(Reaction ~ Days + (Days | Subject), sleepstudy)
    re2 <- REsim(m2, 25)
    head(re2)

[Package merTools version 0.3.0 Index]