R/mice_ml_lmer_define_lmer_function.R

In miceadds: Some Additional Multiple Imputation Functions, Especially for 'mice'

## File Name: mice_ml_lmer_define_lmer_function.R
## File Version: 0.07

mice_ml_lmer_define_lmer_function <- function( model, blme_use )
{
    require_namespace("lme4")
    if (blme_use){
        require_namespace("blme")
    }
    #*** include arguments for lmer model
    if ( model=="binary"){
        lmer_family <- stats::binomial(link="logit")
        if ( blme_use){
            lmer_function <- blme::bglmer
        } else {
            lmer_function <- lme4::glmer
        }
    }
    if ( model %in% c("continuous","pmm") ){
        lmer_family <- NULL
        if ( blme_use){
            lmer_function <- blme::blmer
        } else {
            lmer_function <- lme4::lmer
        }
    }
    #--- output
    res <- list( lmer_function=lmer_function, lmer_family=lmer_family)
    return(res)
}