UpdateMultBiplotGUI <- function(){
update.packages(c("gWidgets", "gWidgetsRGtk2", "RGtk2", "cairoDevice", "foreign", "rattle", "ggrepel", "Hmisc" ))
install.packages("http://biplot.usal.es/classicalbiplot/multbiplot-in-r/multbiplotrgui.gz", repos = NULL, type="source")
}
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