[R] PCA and gglot2
ashz at walla.co.il
Wed Jul 10 15:09:00 CEST 2013
I was trying as well as looking for an answer without success (a bit strange
since it should be an easy problem) and therefore I will appreciate you
My simple script is:
# Loadings data of 5 columns and 100 rows of data
pca1 <- princomp(data1[,1:4], score=TRUE, cor=TRUE)
The biplot present the data points as numbers. How can I present the data
point in color (depends on their group-column 5). I was thinking about doing
it using ggplot2 but I can not succeed. Any idea how to do it?
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