将LaTeX放入R图

问题描述

我想使用base/lattice或ggplot2的组合将LaTeX排版添加到R中的图元素(例如标题，轴标签，注释等).

I would like to add LaTeX typesetting to elements of plots in R (e.g: the title, axis labels, annotations, etc.) using either the combination of base/lattice or with ggplot2.

问题:

• 是否有一种方法可以使用这些软件包将LaTeX放入绘图中，如果可以，如何完成?
• 否则，是否需要其他软件包来完成此任务.

• Is there a way to get LaTeX into plots using these packages, and if so, how is it done?
• If not, are there additional packages needed to accomplish this.

例如，在Python matplotlib中，通过text.usetex包编译LaTeX，如下所述: http://www.scipy.org/Cookbook/Matplotlib/UsingTex

For example, in Python matplotlib compiles LaTeX via the text.usetex packages as discussed here: http://www.scipy.org/Cookbook/Matplotlib/UsingTex

是否有类似的过程可以在R中生成这些图?

Is there a similar process by which such plots can be generated in R?

推荐答案

以下是使用ggplot2的示例:

q <- qplot(cty, hwy, data = mpg, colour = displ)
q + xlab(expression(beta +frac(miles, gallon)))

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