which of the following r methods produces reversals of the tree clustering r tree how to do it what is ultrametric data in r why do reversals occur in a clustered tree how to generate trees in r what is the reversal property of clustering in r which of the following produces reversals on dendrograms? how to do ultrametric analysis in r why do r cluster trees what is the ultrametric property of clustering how to get a reversal in r cluster why does cluster tree have reversals r how to create a graph from cluster how do you set up ultrametric tree what is the difference between upgmc and wpgmc what is the reversal for clustering cluster analysis r definition why r clusters produce reversals how do cluster analysis in r produce trees which method would use a data frame with mixed continuous and categorical trait data?