get_nranef: Extract the number of random effects
Description
Extract the number of random effects
Usage
get_nranef(idvar, random, data)
Value
a list by grouping level (idvar
) with a named vector of the number
of random effects per variable (=names).
Arguments
- idvar
vector of the names of all id variables
- random
a random effect formula or list of random effects formulas
- data
a data.frame