sp2<-ggplot(mtcars,aes(x=wt,y=mpg,color=qsec)) + geom_point()
# Diverging color scheme
mid<-mean(mtcars$qsec)
sp2+scale_color_gradient2(midpoint=mid,low="blue",mid="white",high="red",space ="Lab" )
如何将渐变的图例更改为降序(从低到高)? 在此示例中,从15到22.5
sp2<-ggplot(mtcars,aes(x=wt,y=mpg,color=qsec)) + geom_point()
# Diverging color scheme
mid<-mean(mtcars$qsec)
sp2+scale_color_gradient2(midpoint=mid,low="blue",mid="white",high="red",space ="Lab" )
如何将渐变的图例更改为降序(从低到高)? 在此示例中,从15到22.5