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 without text, but the documentation did not say anything about that. I found similar questions in archive of this mailing list but could not find a solution answer.
Can anyone help me how to change the data point labels of biplot() to a simple symbol without text? Thanks Yongjian [[alternative HTML version deleted]] ______________________________________________ R-help@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.