jah_et 单独看,两个都有 Bray-Curtis distance http://finzi.psych.upenn.edu/R/library/ecodist/html/bcdist.html UPGMA http://finzi.psych.upenn.edu/R/library/phangorn/html/upgma.html 合起来,貌似没有,UPGMA的method里没有Bray-Curtis