R语言 分组排名 table如下 #加载包library(dplyr) #分组排名tb_sz <- tb_03 %>% group_by(BU) %>% mutate(rank = rank(gross_profit*(-1))) tb_xj <- tb_04 %>% group_by(BU) %>% mutate(rank = rank(compare)) #卸载包detach("package:dplyr")