Great to see a multilevel model used to shrink the effects. I was reading the abstract and thought, they probably didn't correct for sampling error - but you di

Great to see a multilevel model used to shrink the effects. I was reading the abstract and thought, they probably didn't correct for sampling error - but you did. I'm not an expert on plate notation, though, so I'm not sure which MLM you used. Is it basically `Revenue ~ (Covariate_1 + ... + Covariate_n | Treatment | Category)`?