我有一个图例,但它覆盖了barplot中的一列。图例覆盖
BOD<-matrix(c(2846,2397,4408,3563,2001,1713,4137,3197,136,107,307,203),
nrow = 3, byrow = T)
colnames(BOD)<-c("BOD","BOD lọc","COD","COD lọc")
DT <- barplot(BOD,
main="Do Thi BOD",
legend=c("<5 Nam","5-10 Nam",">10 Nam"),
beside = T)
阅读'barplot'并注意'args.legend'参数。按照“?legend”的链接,并阅读如何指定图例的绘制位置。 – joran