can random effects be included in lmer what level do i add two variables in randomly chosen model can i include level 2 variable in random intercept can group characteristics be used as fixed effects when estimating random variable with lmes how to use random effects on random variables why random effects in lme4 what level is the individual level variable how to include variable 2 as random when fitting hlm how to include individual level variables how to include variables in randomly intercepted regression why are variables lmer variables what level are variables random what level is a variable for random intercept can variable be included in lmer what level are random intercepts should random effects be included in lmer formula when can the random variable be included in the intercept model what level of variables are randomly generated? what level do you need for random intercept