how to do factorial analyzing of a nonnormal rbd can i do factorial analysis of non-normal or heteroscedastic do factorials work for heteroscedastic data when do i need factorial analysis for non-normal data what is nonnormal data how to find the heteroscedastic data in r r friedman test heteroscedastic ___________ does the friedman test for heteroscedastic data. what is a factorial analysis what to do for a nonnormal data what is the fredman test used for what is a factorial analysis what tests do not fit for heteroscedastic data? what is the factorial analysis in statistics friedman test r how to how to do factorial how to do factorial analysis how to do factorial analysis in field studies how do you do factorial is a heteroscedastic data nonnormal