如何对条形图中的分类值重新排序?[R]

如何对条形图中的分类值重新排序?[R],r,graph,R,Graph,具体来说,可以通过两个步骤再现问题 (1) 装入R 藻类试试这个: algae$speed <- factor(algae$speed, levels=c("low", "medium", "high")) plot(algae$speed) speed algae$speed <- factor(algae$speed, levels=c("low", "medium", "high")) plot(algae$speed)

具体来说,可以通过两个步骤再现问题

(1) 装入R

藻类试试这个:

algae$speed <- factor(algae$speed, levels=c("low", "medium", "high"))
plot(algae$speed)
speed
algae$speed <- factor(algae$speed, levels=c("low", "medium", "high"))
plot(algae$speed)