ggplot2:geom_point()避开形状但不显示颜色 [英] ggplot2: geom_point() dodge shape but NOT color

问题描述

我正在尝试使用geom_point()在ggplot2中获得一个具有映射到x，y，颜色和形状的变量的图，并避开颜色而不是形状的位置.

I'm trying to get a plot in ggplot2 with geom_point() having variables mapped to x, y, color and shape and to dodge the position for color but not shape.

x=tibble(Color=c(rep('A',12),rep('B',12),rep('C',12)),
     Shape=rep(c(rep('A',3),rep('B',3),rep('C',3),rep('D',3)),3),
     xVar=rep(c('A','B','C'),12),
     Value=rnorm(36))

ggplot(x,aes(xVar,Value,color=Color,shape=Shape))+
     geom_point(position=position_dodge(width=.5))

是否可以将躲闪位置限制在一种美学之上?我已经搜索过文档并发现堆栈溢出，但是还没有发现任何东西.

Is it possible to restrict the dodge position to just one aesthetic? I've scoured documentation and stack overflow but haven't found anything yet.

推荐答案

group确定躲避，因此可以这样做:

The group determines dodging, so one can do:

ggplot(x,aes(xVar,Value,color=Color,shape=Shape,group=Shape))+
  geom_point(position=position_dodge(width=.5))

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