英文:
How to avoid cropping of labels in ggarrange?
问题
我使用ggplot的ggarrange()函数合并了4个图形。我的问题是，合并后的图片中，一些柱状图标签被裁剪，而在单独的图片中则没有被裁剪，比如A图中的25%。
如何解决这个问题？
我尝试了coord_cartesian(clip = "off")，但它只对单独的图片起作用。
英文:
I have 4 plots combined by ggarrange() in ggplot. My problem is that some bar labels are cropped in combined picture, while they are not cropped at all on a single pictures. Like 25% on the A plot.
ggarrange(country + theme(axis.text.y = element_text(size = 10), axis.text.x = element_blank()),
position + theme(axis.text.y = element_text(size = 10), axis.text.x = element_blank()),
fieldplot + theme(axis.text.y = element_text(size = 10), axis.text.x = element_blank()),
methods + scale_y_discrete(labels=c("OPMs", "iEEG", "MEG", "Scalp EEG")) +
theme(axis.text.y = element_text(size = 10), axis.text.x = element_blank()),
labels = c("A", "B", "C", "D"),
ncol = 2, nrow = 2, align = 'h')
How can I solve this problem?
I tried coord_cartesian(clip = "off"), but it works only on individual pictures.
答案1
得分: 1
问题在于轴上剩余的空间量（默认情况下）是刻度的5％。 当图表很大时，这5％足以容纳文本，但在图表很小时则不够。
我们可以将该空间增加到15％，并且还可以移除x轴开头的5％，因为对于条形图来说，它并不是非常有用。 我们通过定义x刻度的轴扩展来实现这一点。
将以下内容添加到所有的图表中：
+ scale_x_continuous(expand = expansion(mult = c(0, 0.15))
您可以根据需要更改0.15以获得更多或更少的空间。
英文:
The problem is that the amount of space left on the axis is (by default) 5% of the scale. That 5% is enough space to fit the text when the plot is large, but not when the plot is small.
We can increase that space to say 15%, and also remove the 5% at the start of the x-axis, since it is not very useful for bar graphs. We do this by defining the axis extension of the x-scale.
Add this to all your plots:
+ scale_x_continuous(expand = expansion(mult = c(0, 0.15))
You can change the 0.15 as needed to make more or less space.
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