weixin_43779943的博客

R 绘制高密度散点图： https://blog.youkuaiyun.com/samhuairen/article/details/38866567

#read csv specie28=read.csv(file="filename.csv") #read txt specie28=read.table("filename.txt", head=TRUE, sep=",") #one attribute of specie28 height=specie28$HEIGHT DBH=specie28$DBH #mean of height 均...