默认的ggplot2绘图边距是多少? [英] What are the default ggplot2 plot margins?

问题描述

我在任何地方都找不到有关此信息.我知道如何设置它们，但想知道默认值(上，右，下和左)，因此在为绘图设置边距时，它不像是一个猜谜游戏.

I cannot find information on this anywhere. I know how to set them but want to know the defaults (top, right, bottom, and left) so its less of a guessing game when setting margins for a plot.

推荐答案

对于图边距以及其他参数，默认值为theme_grey:

For plot margins as well as other parameters, the default values are that of theme_grey:

theme_grey()$plot.margin
[1] 5.5pt 5.5pt 5.5pt 5.5pt

但是，默认主题将来可能会更改，您可以设置另一个主题(使用theme_set())，因此更健壮的方法是使用theme_get()来返回当前主题(@ r2evans注释)

However, the default theme might change in the future, and you can set a different one (with theme_set()) so a more robust way would be to use theme_get() which returns the current theme (@r2evans comment)

theme_get()$plot.margin 

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