arrows disappear under points when point density is high

vqv / ggbiplot

A biplot based on ggplot2

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arrows disappear under points when point density is high #25

Open smgogarten opened 8 years ago

smgogarten commented 8 years ago

Can you include an option to plot the arrows on top of the points instead of underneath? I have a lot of points in my plot, and I can't see the arrows because they are plotted under all the points.