rr to use multiple regression models and multiple variables rt sql example of linear mixed model rt formula for repeated measures how can you specify mixed model of a trial in r which factor has two levels _withd',appr, and stim? rt - med.frame number of variables how to construct a mixed model of a repeatable measure data what type of models can use a scale of 2 levels what is the difference between a cohort model and a mixed model? types of mixed model data in r how to specify a mixed model for randomised controlled trials (rt) r model for repeated measures r how to specify multiple mixed models what model is used for a repeatable measure what type of data is used to specify a mixed model in R? what is the rt model for repeated measures what is the r model for repeated measures data what is trx r used for what is the rt for repeated measures data what is the r variable for repeated measures