R ggplot，删除ggsave/ggplot中的白色边距 [英] R ggplot, remove white margins in ggsave/ggplot

问题描述

如何删除ggsave中的白色边距?

How can I remove the white margins in ggsave?

我的问题与删除R中的ggplot2空白(即边距)相同.但是，答案对我而言并不理想.我想给 ggsave 一个 height 和 weight 而不是一个固定但未知的长宽比的反复试验，并想要我的绘图(即标题的顶部到x标签的底部)以自动扩展到该配置，而没有空白.

My question is exactly the same as Remove white space (i.e., margins) ggplot2 in R. However, the answer there isn't ideal for me. Instead of trial and error for a fixed but unknown aspect ratio, I would like to give ggsave a height and weight and want my plot (ie top of title to bottom of x-label) to automatically expand to that configuration without white margin.

如何删除.png(用r，ggplot绘制)周围奇怪的白色边距?提供了一种方法使边距透明，但它们仍然存在，并且图小于我在保存的文件中设置的 height 和 width .

How can I remove the strange white margin around my .png (plotted with r, ggplot)? gives a way to make the margin transparent, but they are still there and the plot is smaller than height and width I set in the saved file.

推荐答案

从删除ggplot2中的绘图边距找到答案

theme(plot.margin=grid::unit(c(0,0,0,0), "mm"))

完成工作

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