what is lmr symbol why does mydata have four symbols what is the symbol / in mixed model equation lme what is the symbol for the mixed model in lme4 which symbol is xvar1 in lme4 what is the difference between lme4 and the mixed model what is the formula for xvar1 difference between formula and symbol what are the four symbols in a mixed model? what is symbol for mixed model what is symbol yvar what is the symbol for lme4 what is the symbol for the mixed model what are the symbols in mixed model formula symbols for mixed model lme4 what is the symbol for a mixed model in lme 4 what model is xvar1 in difference between yvar and xvar in lme symbol xvar1 what is the symbol of lme