how to compute variance in the remat model calculating variance with random effect in mixed models what are lmer functions for random effects how to estimate variance in a mixed model how do i calculate variance in lme can lme estimate variance how to calculate variation in random factor in lme how to find the variance for random effects how to calculate variation with lmer how to estimate variance in a random model how to calculate variance in mixed model lmer model how to calculate variance what is the difference between lme and lme4 how to estimate variability of variable variable how to calculate variance in lme4 model how do we estimate variance in lme when to use lmer for random effect in ed how to calculate variance in a mixed effect model how to calculate the variance of a mixed lme how to estimate variance in lme