graph scree plot A scree plot is a graphical display of the variance of each component in the dataset which is used to determine how many components should be retained in order to explain a high percentage of the variation in the data Alejandra Gonzalez-Beltran Cattell scree test plot Orlaith Burke Philippe Rocca-Serra http://www.stats.gla.ac.uk/glossary/?q=node/451 screeplot(x, npcs = min(10, length(x$sdev)), type = c("barplot", "lines"), main = deparse(substitute(x)), ...) from: https://stat.ethz.ch/R-manual/R-devel/library/stats/html/screeplot.html ready for release