问题描述
我正在使用geom_smooth绘制一些数据，并寻找一种方法来更改每条线的标准错误阴影的颜色以匹配该行(即，一条红线将其标准错误阴影涂成红色).
I'm plotting some data using geom_smooth and looking for a way to change the color of the standard error shading for each line to match that line (ie., a red line would have it's standard error shaded red).
我在 https://github.com/hadley/ggplot2/wiki/%2Bopts%28%29-List .
任何建议(或只是确认是否可行)都是值得的.
Any advice (or just confirmation of whether or not it's possible) is appreciated.
推荐答案
您的(可理解的)错误是认为您应该更改颜色而不是 fill .标准错误阴影基本上是用geom_ribbon制成的，它们是2d区域，因此填充"它们的颜色"由fill而不是colour确定.
Your (understandable) mistake is to think that you should be changing the color rather than the fill. The standard error shadings are made with geom_ribbon essentially, and they are a 2d area, so the "color" they are "filled" with is determined by fill, not colour.
尝试:
geom_smooth(aes(...,fill = variable))
其中变量与您要映射到其他位置的颜色相同.
where variable is the same one you map to colour elsewhere.
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