由程序
dat<-matrix(c(0.825,0.364,0.252,0.421,1.36,2.28,1.7,2.05,4.12,2.77,1.78,1.01), byrow=T, nrow=3)
colnames(dat) <- c("y","z","n","c")
rownames(dat) <- c("w","m","b")
barplot(dat, beside=T, col=c("blue","red","green"), legend = rownames(dat), ylim=c(0, 5))
可以绘制上图
我把数据保存成11.txt后(附件中),不知道怎么读取数据,来绘制图形,哪位高手可以帮忙一下,怎么读取数据来绘制下图
最好告诉程序,这样以后作图就不用一个输入了


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