本文介绍了如何在plot(ggplot2)的文本注释中放置+/- plus减号运算符?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧! 问题描述 我尝试了以下方法,但对我无效: a< - ggplot()a a 我也尝试了如何用乳胶注释()ggplot 没有运气: a 这也行不通: a< - a + annotate(text,x = 0.5,y = 0.1,label =\ pm,parse = TRUE) 解决方案可以使用unicode表示( \\\± ): p> a< - ggplot()a a a + annotate(text,x = 0.5,y = 0.2,label =\\\±) 或者您可以直接使用±符号,从某处复制并粘贴它。 a + annotate(text,x = 0.5,y = 0.2,label =±) I have tried the following, but it doesn't work for me:a <- ggplot()a <- a + geom_point(aes(x=seq(0,1,0.1), y=seq(0,1,0.1)))a <- a + annotate("text", x=0.5, y=0.3, label="myplot")a <- a + annotate("text", x=0.5,y=0.2,label=expression(%+-%))I have also tried the following as pointed out by How to annotate() ggplot with latex with no luck:a <- a + annotate("text", x=0.5, y=0.1, label="%+-%", parse=TRUE)And this doesn't work either:a <- a + annotate("text", x=0.5, y=0.1, label="\pm", parse=TRUE) 解决方案 It is possible to use the unicode representation (\u00B1):a <- ggplot()a <- a + geom_point(aes(x=seq(0,1,0.1), y=seq(0,1,0.1)))a <- a + annotate("text", x=0.5, y=0.3, label="myplot")a + annotate("text", x=0.5, y=0.2, label="\u00B1")Or you can use the ± symbol directly, by copying and pasting it from somewhere.a + annotate("text", x=0.5, y=0.2, label="±") 这篇关于如何在plot(ggplot2)的文本注释中放置+/- plus减号运算符?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!
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