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使用 ggbiplot,如何隐藏绘图中的点以便只显示向量?我知道我可以通过添加来修改点,geom_point()但似乎无法geom_point()在图层后面绘制,ggbiplot()例如将背景颜色设置为点颜色不起作用。
geom_point()
ggbiplot()
library(ggbiplot) data(wine) wine.pca <- prcomp(wine, scale = TRUE) ggbiplot::ggbiplot(wine.pca, obs.scale = 1, var.scale = 1)