can the teacher and random intercept be correlated in r how to estimate model of random intercepts how to find the covariance of the sample in r is an r model nested how to estimate random intercept why are random intercepts correlated is the random intercepts in the longitudinal model correlated what is the model of random intercepts in r why do longitudinal models need random intercepts in r can r predict how many random intercepts are used? how to estimate random intercepts in r can r predict random intercepts what is the function of random intercept in longitudinal models how to compute random intercepts what model has multiple random random intercepts how to estimate random effects how to estimate random intercept in r is the test scores in longitudinal data random r can calculate a longitudinal linear model with three random intercepts, one based on a school score is r a longitudinal model