Hi, 1- How can I assign different colors to different observations in the PCA chart? Assume, I have 10 observations and I want to use black color for the first 5 and read for the next 5 observations.
Currently, I use res.pca = PCA(mydata[,1:37], scale.unit=TRUE, graph=T) plot(res.pca,axes=c(1,2)) 2- How can I change the plot area size and font sizes? With these commands dev.new(width=20, height=4) plot(res.pca,axes=c(1,2)) The final plot is not what I expected. Please see the picture at https://imgur.com/UINTnv7 Regards, Mahmood ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.