ggbiplot2 | R Documentation |
per i colori http://www.sthda.com/english/wiki/ggplot2-colors-how-to-change-colors-automatically-and-manually
ggbiplot2(
pcobj,
choices = 1:2,
scale = 1,
pc.biplot = TRUE,
obs.scale = 1 - scale,
var.scale = scale,
groups = NULL,
shapes = NULL,
ellipse = FALSE,
ellipse.prob = 0.68,
labels = NULL,
labels.size = 3,
alpha = 1,
var.axes = TRUE,
circle = FALSE,
circle.prob = 0.69,
varname.size = 3,
varname.adjust = 1.5,
varname.abbrev = FALSE,
arrows.color = NULL,
...
)
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