biplot

Hey,

Does anyone know how to remove labels from a biplot? I want to input them
manually as they are currently overlapping.

Rather than doing them manually,
you might have better luck with ggbiplot, and the ggrepel package 
designed to 'repel' point labels so they don't overlap.

install_github("vqv/ggbiplot")
https://cran.r-project.org/web/packages/ggrepel/vignettes/ggrepel.html

-Michael