can i pass category ids as integers in linear models can i pass ids in linear model why do i pass category ids in r can category names in r be stings or ints why are r categories parsed as integers r what to call category identifier what are category names in r can categories be r strings what is category ids in linear model can i pass category id strings? why use integers in linear models what is the category id in the linear model r parse model category name as ints can you parse category name as strings what string is a category id of r can category name be parsed as integers in r can i pass categories in r as integers or strings which model parameter should be parsed as an integer? what is category id in linear models which category ids to use in linear model