blocks|key|157461|text|您可以使用function+theme()中的参数axis.text=和axis.title=更改轴文本和标签大小。例如，如果您需要仅更改x轴标题大小，则使用axis.title.x=。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|157462|g%2Btheme(axis.text=element_text(size=12),
++++++++axis.title=element_text(size=14,face="bold"))|code-block|syntax|javascript|157463|在ggplot2+page中设置不同的theme()参数有很好的例子。|157464|entityMap|0|LINK|mutability|MUTABLE|url|https://ggplot2.tidyverse.org/reference/theme.html^0|E|7|P|A|10|B|27|D|0|0|J|7|1|C|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]|$9|X|A|Y|B|C]|$9|Z|A|10|B|C]|$9|11|A|12|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|13|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|14|8|@$9|15|A|16|B|C]]|D|@$9|17|A|18|1|19]]|E|$]]|$1|M|3|-4|5|6|7|1A|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]]]

You can change axis text and label size with arguments <code>axis.text=</code> and <code>axis.title=</code> in function <code>theme()</code>. If you need, for example, change only x axis title size, then use <code>axis.title.x=</code>.
<pre><code>g+theme(axis.text=element_text(size=12),
 axis.title=element_text(size=14,face=&quot;bold&quot;))
</code></pre>
There is good examples about setting of different <code>theme()</code> parameters in <a href="https://ggplot2.tidyverse.org/reference/theme.html" rel="noreferrer">ggplot2 page</a>.

blocks|key|375445|text|我认为更好的方法是更改base_size参数。它将一致地增加文本大小。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|375446|g+%2B+theme_grey(base_size+=+22)|code-block|syntax|javascript|375447|正如here所见。|375448|entityMap|0|LINK|mutability|MUTABLE|url|https://ggplot2.tidyverse.org/reference/ggtheme.html^0|B|9|0|0|2|4|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|X|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|Y|8|@]|D|@$9|Z|A|10|1|11]]|E|$]]|$1|M|3|-4|5|6|7|12|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]]]

I think a better way to do this is to change the <code>base_size</code> argument. It will increase the text sizes consistently.

<pre><code>g + theme_grey(base_size = 22)
</code></pre>

As seen <a href="https://ggplot2.tidyverse.org/reference/ggtheme.html" rel="noreferrer">here</a>.

blocks|key|157563|text|如果要创建许多图形，您可能会厌倦为每个图形键入控制标题和文本大小的代码行。我通常要做的是创建一个定义所需主题特征的对象(类为"+theme“"gg")。您可以在代码的开头执行此操作。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|157564|My_Theme+=+theme(
++axis.title.x+=+element_text(size+=+16),
++axis.text.x+=+element_text(size+=+14),
++axis.title.y+=+element_text(size+=+16))|code-block|syntax|javascript|157565|接下来，您需要做的就是将My_Theme添加到您的图中。|157566|g+%2B+My_Theme|157567|如果你有另一个图，g1，只需写：|157568|g1+%2B+My_Theme+|157569|诸若此类。|157570|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|W|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|X|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|Y|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

If you are creating many graphs, you could be tired of typing for each graph the lines of code controlling for the size of the titles and texts. What I typically do is creating an object (of class &quot;theme&quot; &quot;gg&quot;) that defines the desired theme characteristics. You can do that at the beginning of your code.
<pre><code>My_Theme = theme(
 axis.title.x = element_text(size = 16),
 axis.text.x = element_text(size = 14),
 axis.title.y = element_text(size = 16))
</code></pre>
Next, all you will have to do is adding My_Theme to your graphs.
<pre><code>g + My_Theme
</code></pre>
if you have another graph, g1, just write:
<pre><code>g1 + My_Theme 
</code></pre>
and so on.

blocks|key|157599|text|要在一个地方同步更改(几乎)所有文本元素的大小，rel()是非常有效的：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|157600|g%2Btheme(text+=+element_text(size=rel(3.5))|157601|您可能希望稍微调整一下数字，以获得最佳结果。它以相同的比例设置水平和垂直轴标签和标题以及其他文本元素。一个例外是刻面网格的标题，它必须手动设置为相同的值，例如，如果在图形中同时使用x和y面：|157602|theme(text+=+element_text(size=rel(3.5)),+++++++++++strip.text.x+=+element_text(size=rel(3.5)),+++++++++++strip.text.y+=+element_text(size=rel(3.5)))|157603|entityMap^0|O|5|0|0|16|0|0|0|45|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Q|8|@$9|R|A|S|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|T|8|@]|D|@]|E|$]]|$1|J|3|K|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@]|E|$]]|$1|L|3|-4|5|6|7|X|8|@]|D|@]|E|$]]]|M|$]]

To change the size of (almost) all text elements, in one place, and synchronously, <code>rel()</code> is quite efficient: 
 <code>g+theme(text = element_text(size=rel(3.5))</code>

You might want to tweak the number a bit, to get the optimum result. It sets both the horizontal and vertical axis labels and titles, and other text elements, on the same scale. One exception is faceted grids' titles which must be manually set to the same value, for example if both x and y facets are used in a graph: 
<code>theme(text = element_text(size=rel(3.5)),
 strip.text.x = element_text(size=rel(3.5)),
 strip.text.y = element_text(size=rel(3.5)))</code>

I have a really simple question, which I am struggling to find the answer to. I hoped someone here might be able to help me.

An example dataframe is presented below:

<pre><code>a &lt;- c(1:10)
b &lt;- c(10:1)
df &lt;- data.frame(a,b)
library(ggplot2)
g = ggplot(data=df) + geom_point(aes(x=a, y=b)) +
 xlab("x axis")
g
</code></pre>

I just want to learn how I change the text size of the axes titles and the axes labels.

Change size of axes title and labels in ggplot2

我有一个非常简单的问题，我正在努力寻找答案。我希望这里有人能帮到我。下面是一个数据帧示例：a <- c(1:10)b <- c(10:1)df <- data.frame(a,b)library(ggplot2)g = ggplot(data=df) + geom_point(aes(x=a, y=b)) + xla...

问在ggplot2中更改轴标题和标签的大小
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