[R] ggplot2: Choosing colours

From: ONKELINX, Thierry <Thierry.ONKELINX_at_inbo.be>
Date: Mon, 3 Dec 2007 12:02:42 +0100

Dear useRs,

I'm trying to specify the colour of a factor with ggplot2. The example below gets me close to what I want, but it's missing a legend.

Any ideas?



dataset <- data.frame(x = rnorm(40), y = runif(40), z = gl(4, 10, labels
= LETTERS[1:4]))
ggplot(data = dataset, aes(x = x, y = y, group = z)) + geom_point(colour
= c("red", "green", "blue", "black"))

ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek / Research Institute for Nature and Forest
Cel biometrie, methodologie en kwaliteitszorg / Section biometrics, methodology and quality assurance
Gaverstraat 4
9500 Geraardsbergen
tel. + 32 54/436 185

Do not put your faith in what statistics say until you have carefully considered what they do not say. ~William W. Watt A statistical analysis, properly conducted, is a delicate dissection of uncertainties, a surgery of suppositions. ~M.J.Moroney

R-help_at_r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Mon 03 Dec 2007 - 11:17:06 GMT

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.2.0, at Tue 04 Dec 2007 - 12:30:16 GMT.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.