3楼: Originally posted by lvchengrui at 2016-10-24 19:54:14
面积图来的。
先
par(mfcol = c(4,1))

# Set a graphical parameter using par()

par()              # view current settings
opar <- par()      # make a copy of current settings
par(col.lab="red") # red x and y labels
hist(mtcars$mpg)   # create a plot with these new settings
par(opar)          # restore original settings