How to R plot legend with transparent background when using plot() function ?
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):
问题:
回答1:
Use: bg="transparent" in
legend()
Such as:
legend("right",bg="transparent",col=c(as.numeric(unique(df$group2))),cex=0.5)
