how many groups can be found in a site-level iv reml model definition how do I set up a hierarchical multiple linear regression what is the site of the reml model what are the coefficients of site how to set up a multivariate linear regression what is the difference between iv and site in r regression? reml formula for r model how to set up multivariate multiple linear regression how to set up a hierarchical multiple linear regression what is mysite:status what is the formula for linear regression in r when a site is selected which of the following is the most likely source of variance for reml? how is lmer form used in r r set up site and site iv number of observations on mydata what is the difference between site and status in r what is the site variance in r aic what is the formula for a site-level model with a single intercept? how to set up a linear model