[英]Scales = “free” works for facet_wrap but doesn't for facet_grid
I'm trying to understand why the outputs of facet_grid()
and facet_wrap()
are different, even though the inputs are the same: 我试图了解为何
facet_grid()
和facet_wrap()
的输出不同,即使输入相同:
ggplot(temp, aes(x = valor)) +
geom_histogram(binwidth = 5, fill = NA, color = "black") +
facet_grid(estratificacao ~ referencia, scales = "free") +
scale_x_continuous(breaks = seq(0, 100, 10)) + theme_classic()
ggplot(temp, aes(x = valor)) +
geom_histogram(binwidth = 5, fill = NA, color = "black") +
facet_wrap(estratificacao ~ referencia, scales = "free") +
scale_x_continuous(breaks = seq(0, 100, 10)) + theme_classic()
See, the argument scales = "free"
does not have the same behaviors for facet_grid()
and facet_wrap()
. 参见,
scales = "free"
参数对于facet_grid()
和facet_wrap()
。 What can explain that? 有什么可以解释的?
Referring to this link : 引用此链接 :
facet_grid
split the data into facets by one or two variables that vary on the horizontal and/or vertical direction, while facet_wrap
places the facets next to each other, wrapping with a certain number of columns or rows. facet_grid
通过在水平和/或垂直方向上变化的一个或两个变量将数据划分为多个方面,而facet_wrap
这些方面彼此相邻,并包裹了一定数量的列或行。 In other words, facet_wrap
only has horizontal dimension. 换句话说,
facet_wrap
仅具有水平尺寸。
Therefore, using the example from that link, sp + facet_grid(. ~ sex)
would behave the same as sp + facet_grid( ~ sex)
. 因此,使用该链接中的示例,
sp + facet_grid(. ~ sex)
行为与sp + facet_grid( ~ sex)
。 In your case, facet_grid(. ~ referencia)
and facet_wrap( ~ referencia)
should produce the same plot. 在您的情况下,
facet_grid(. ~ referencia)
和facet_wrap( ~ referencia)
应该产生相同的图。
For two or more dimensional facets, facet_grid
produces a grid of plots based on the parameter (vertical ~ horizontal)
. 对于二维或更多个小平面,
facet_grid
基于参数(vertical ~ horizontal)
生成一个网格图。 facet_wrap
, on the other hand, would just stack the plots horizontally. 另一方面,
facet_wrap
只会将绘图水平堆叠。 User then can set the layout by specifying the number of columns or rows. 然后,用户可以通过指定列数或行数来设置布局。
Now, when the scales = "free"
argument is added, facets in facet_grid
would still be bounded by the grid, therefore plots on the same row cannot have different y-axis. 现在,当添加
scales = "free"
参数时, facet_grid
构面仍将受到网格的限制,因此同一行上的图不能具有不同的y轴。 Similarly, there can only single x-axis for each column. 同样,每列只能有一个x轴。 Using
facet_wrap
though, each plot is displayed independently, so it can "free" its x-axis and y-axis. 但是,使用
facet_wrap
可以独立显示每个图,因此可以“释放”其x轴和y轴。
In my opinion, facet_grid
is useful when you want to relatively compare the plots within a category, which can be accomplished by setting the same axis scales. 我认为,当您想相对比较类别中的图时,
facet_grid
很有用,这可以通过设置相同的轴比例来实现。 Meanwhile, facet_wrap
is more useful for plots that more independent between one another. 同时,
facet_wrap
对于彼此之间更加独立的图更为有用。
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