Don't do the biplot. Darn hard to make sense of anyway. Plot the scores and the loadings separately. You can see how to do that in this thread: http://r.789695.n4.nabble.com/How-to-plot-PCA-output-td4614732.html
Good Luck. Bryan *********** Bryan Hanson Professor of Chemistry & Biochemistry DePauw University On Jun 18, 2012, at 10:37 AM, dss wrote: > I am doing a principle component analysis on a dataset with a lot of > different variables and have constructed a biplot of the data. > Unfortunately, as can be seen on the attached image, the biplot is very > messy, cluttered, and hard to read. I have performed a few modifications > including outlier removal from a few of the variables, which has made the > plot better, however it still is too cluttered to read the variable names. > Is there any further improvment that can be made to the attached plot and if > so what steps should I take? > > Thanks, > Derek > > > http://r.789695.n4.nabble.com/file/n4633703/biplot.jpg > > -- > View this message in context: > http://r.789695.n4.nabble.com/How-can-I-declutter-make-a-biplot-less-messy-in-R-tp4633703.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. ______________________________________________ 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.