how do you make frequency weights which frequency weight is used in r? what is r frequency weights frequency weight formula in r iccs 2009 frequency weight formula which weights do i use in the frequency weight? when to use a frequency weight in r does r use frequency weighting what is r frequency weights what is a class frequency weight how to use frequency weight r frequency weights definition when do i use frequency weights in r what is the frequency of the model in r r frequency weight lme4 frequency weight when to use frequency weights does lme4 do frequency weights frequency weight in r what type of weight in lme4