do you need lmm analysis do you need to do a post hoc analysis when using lmm? when should lmm be done lmm do you need post hoc analysis why do i need a planned contrast can r lmm be done in pre hoc or planned contrast do i need a planned post hoc analysis when doing a lmm in r? do i need a post-hoc contrast analysis when using lmm do you need a planned contrast or post hoc analysis when to use a lmm in r can lmm be a planned contrast in r can you do a post hoc analysis do you need a planned contrast does r use planned contrast analysis can lmm be performed posthoc do i need a posthoc or planned contrast? do you use a posthoc analysis to perform contrast analysis in r when do i do a post-hoc analysis in r do i need a planned contrast in r when you use r what does post hoc mean