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emea
2009 Sep 14
2
How to set default plotting colors by treatment?
Dear R-helpers,
I have a number of dataframes that looks something like this:
mydfr <- data.frame(treatment=c(rep("A",3),rep("B",3)), Xmeas=1:6,
Ymeas=c(2,4,3,3,5,6))
# except with many more variables, which I plot all the time colored
by treatment to quickly check things:
with(mydfr, plot(Xmeas, Ymeas, pch=19, col=c("blue","red")[treatment]))
# I find it annoying to keep typing in all the bits after Ymeas (yes I...