今天介绍的拼图包名为“ patchwork”

简介

tidyverse可以说是追求代码“易读”的典范,今天介绍的拼图包名为“ patchwork”,作者是tidyverse团队成员-- Thomas Lin Pedersen
长得帅的大佬可以拥有寄几的大照,虽然是黑白的:

image

博客地址:https://www.data-imaginist.com/2019/patch-it-up-and-send-it-out/

patchwork包官方教程https://patchwork.data-imaginist.com/index.html

总结一下他的功能和优点:

(1)支持直接p1+p2拼图,比任何一个包都简单

(2)复杂的布局代码易读性更强

(3)可以给子图添加标记(例如ABCD, I II III IV 这样)

(4)可以统一修改所有子图

(5)可以将子图的图例移到一起,整体性特别好

简单好用,功能强大,真香!

1.极简入门-拼两张图

横着就"+",竖着就"/"

library(ggplot2)

library(patchwork)

p1 <- ggplot(mpg) +

geom_point(aes(hwy, displ))

p2 <- ggplot(mpg) +

geom_bar(aes(manufacturer, fill = stat(count))) +

coord_flip

就是这么优秀:

p1 + p2

image

p1 / p2

image

2.多几张图p3 <- ggplot(mpg) +

geom_smooth(aes(hwy, cty)) +

facet_wrap(~year)

p1 + p2 + p3

> geom_smooth using method = 'loess' and formula 'y ~ x'

image

p4 <- ggplot(mpg) +

geom_tile(aes(factor(cyl), drv, fill = stat(count)), stat = 'bin2d')

p1 + p2 + p3 + p4

> geom_smooth using method = 'loess' and formula 'y ~ x'

image

继承了矩阵的两个参数”nrow“和"byrow"

p1 + p2 + p3 + p4 + plot_layout(nrow = 4)

> geom_smooth using method = 'loess' and formula 'y ~ x'

image

再难一点也不在话下

(p1 | p2) /

p3

> geom_smooth using method = 'loess' and formula 'y ~ x'

image

p1 | (p2 / p3)

> geom_smooth using method = 'loess' and formula 'y ~ x'

image

(p1 | (p2 / p3)) +

plot_annotation(title = 'The surprising story about mtcars')

> geom_smooth using method = 'loess' and formula 'y ~ x'

image

3.可以再复杂一点

大招:layout不用坐标,不用宽高比例,直接用ABCD就行

layout <- '

ABB

CCD

'

p1 + p2 + p3 + p4 + plot_layout(design = layout)

> geom_smooth using method = 'loess' and formula 'y ~ x'

image

4.给子图添加标记

啥也不说了,大佬怎么就这么优秀呢?

p1 + p2 + p3 +

plot_annotation(tag_levels = 'I')

> geom_smooth using method = 'loess' and formula 'y ~ x'

image

patchwork <- (p4 | p2) /

p1

patchwork + plot_annotation(tag_levels = 'A')

image

嵌套式的子标题也能搞定

patchwork <- ((p4 | p2) + plot_layout(tag_level = 'new')) /

p1

patchwork + plot_annotation(tag_levels = c( 'A', '1'))

image

5.统一修改所有子图

用”&“符号,简单的很

patchwork & theme_minimal

image

6.图例管理

走开,图例都给我去右边

patchwork + plot_layout(guides = 'collect')

image

一样的图例可以只显示一个,但是要让阈值一致

patchwork <- patchwork & scale_fill_continuous(limits = c( 0, 60))

patchwork + plot_layout(guides = 'collect')

image

原文:https://www.sohu.com/a/365661180_718302

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