Rodriguez, German; Elo, Irma - In: Stata Journal 3 (2003) 1, pp. 32-46
We review the concept of intra-class correlation in random-effects models for binary outcomes as estimated by Stata's xtprobit, xtlogit, and xtclog. We consider the usual measures of correlation based on a latent variable formulation of these models and note corrections to the last two...