TanyaMurphy

# From http://rpsychologist.com/r-guide-longitudinal-lme-lmer#three-level-models

# lme
lmer(y ~ time * tx + 
                (time | therapist/subjects), 
        data=df)
## expands to
lmer(y ~ time * tx + 
                (time | therapist:subjects) + 
                (time | therapist),