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36414
2011 Jun 14
1
Change Data Point Label in biplot()
I'm a new user of R, and trying to display the result of a PCA data set
with biplot(). Biplot() draws the projections of data points to the
first two principal axis with a text level (I guess it is the name of
the data points). This makes the picture very crowed. I tried to go
through R documentation to figure out how to change the data point
labels to a symbol, say circle, triangle or cross