which model has an average random structure which random structure has the highest log likelihood what is the best random structure for a mixed model which random structure for lme what's the best structure to test an lme which random effects model have the lowest aic which model has most randomness which random effects model has the highest log likelihood what is the best random structure in lme what is smallest aic in lme which of these models has the highest aic which random structure is better? aic and aic what is the best random structure lme which random effect model has the highest log likelihood? what model does lme rely on for randomness which random effects model has the highest aic which random structure does mixed effect use which random structures should lme rely on how to choose random effect based on aic is there a random structure model