check_heterogeneity_bias: Check model predictor for heterogeneity bias
Description
check_heterogeneity_bias() checks if model predictors or variables may
cause a heterogeneity bias, i.e. if variables have a within- and/or
between-effect.
Usage
check_heterogeneity_bias(x, select = NULL, group = NULL)
Arguments
x
A data frame or a mixed model object.
select
Character vector (or formula) with names of variables to select
that should be checked. If x is a mixed model object, this argument
will be ignored.
group
Character vector (or formula) with the name of the variable that
indicates the group- or cluster-ID. If x is a model object, this
argument will be ignored.