使用ggplot2合并并完美对齐直方图和Boxplot [英] Merge and Perfectly Align Histogram and Boxplot using ggplot2

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本文介绍了使用ggplot2合并并完美对齐直方图和Boxplot的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

从昨天开始,我正在阅读答案和网站,以便将一个直方图和一个 boxplot 使用 ggplot2 包生成。



此问题与其他问题有所不同,因为 boxplot chart 需要减小高度,并且对齐到<$ c的左外边距$ c>直方图



考虑以下数据集:

  my_df<-structure(list(id = c(1,2,3,4,5,6,7,8,9,10,11,
12,13,14, 15、16、17、18、19、20、21、22、23、24、25、26、27,
28、29、30、31、32、33、34、35、36、37, 38、39、40、41、42、43,
44、45、46、47、48、49、50、51、52、53、54、55、56、57、58、59,
60、61、62、63、64、65、66、67、68、69、70、71、72、73、74、75,
76、77、78、79、80、81, 82,83,84,85,86,87,88,89,90,91,
92,93,94,95,96,97,98,99,100),值= c(18,9 ,3,
4、3、13、12、5、8、37, 64、107、11、11、8、18、5、13、13、14,
11、11、9、14、11、14、12、10、11、10、5、3、8, 11,12,11,7,
6,6,4,11,11,8,14,13,14,15,10,2,4,4,4,8,15,21,9,5,
7,11,6,11,2,6,16,5,5,21,33,12,10,13,33,35,7,
7,9,2,21,32, 19、9、8、3、26、37、5、6、10、18、5、70、48,
30、10、15、18、7、4、19、10、4、32) ),row.names = c(NA,100L
),class = data.frame,.Names = c( id, value))

我生成了箱形图:

  require(dplyr )
require(ggplot2)
my_df%>%select(value)%&%;%
ggplot(aes(x =,y = value))+
geom_boxplot (填充=浅蓝色,颜色=黑色)+
coord_flip()+
theme_classic()+
xlab()+
theme(axis.text。 y = element_blank(),
axis.ticks.y = element_blank())

和我生成了直方图

  my_df%>%selec t(id,value)%>%
ggplot()+
geom_histogram(aes(x = value,y =(..count ..)/ sum(.. count ..)),
position = identity,binwidth = 1,
fill = lightblue,颜色= black)+
ylab( Relative Frequency)+
theme_classic()

我想要获得的结果是一个单图,例如:



请注意,箱线图必须减小高度,并且标记必须完全对齐,以提供相同视觉效果的不同视角。

解决方案

您可以使用 egg cowplot patchwork 软件包来组合这两个图。有关更复杂的示例,另请参见


since yesterday I am reading answers and websites in order to combine and align in one plot an histogram and a boxplot generated using ggplot2 package.

This question differs from others because the boxplot chart needs to be reduced in height and aligned to the left outer margin of the histogram.

Considering the following dataset:

my_df <- structure(list(id = c(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 
12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 
28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 
44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 
60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 
76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 
92, 93, 94, 95, 96, 97, 98, 99, 100), value= c(18, 9, 3, 
4, 3, 13, 12, 5, 8, 37, 64, 107, 11, 11, 8, 18, 5, 13, 13, 14, 
11, 11, 9, 14, 11, 14, 12, 10, 11, 10, 5, 3, 8, 11, 12, 11, 7, 
6, 6, 4, 11, 8, 14, 13, 14, 15, 10, 2, 4, 4, 8, 15, 21, 9, 5, 
7, 11, 6, 11, 2, 6, 16, 5, 11, 21, 33, 12, 10, 13, 33, 35, 7, 
7, 9, 2, 21, 32, 19, 9, 8, 3, 26, 37, 5, 6, 10, 18, 5, 70, 48, 
30, 10, 15, 18, 7, 4, 19, 10, 4, 32)), row.names = c(NA, 100L
), class = "data.frame", .Names = c("id", "value"))

I generated the boxplot:

require(dplyr)
require(ggplot2)
my_df %>% select(value) %>%
        ggplot(aes(x="", y = value)) +
        geom_boxplot(fill = "lightblue", color = "black") + 
        coord_flip() +
        theme_classic() +
        xlab("") +
        theme(axis.text.y=element_blank(),
              axis.ticks.y=element_blank())

and I generated the histogram

my_df %>% select(id, value) %>%
        ggplot() +
        geom_histogram(aes(x = value, y = (..count..)/sum(..count..)),
                       position = "identity", binwidth = 1, 
                       fill = "lightblue", color = "black") +
        ylab("Relative Frequency") +
        theme_classic()

The result I am looking to obtain is a single plot like:

Note that the boxplot must be reduced in height and the ticks must be exactly aligned in order to give a different perspective of the same visual.

解决方案

You can use either egg, cowplot or patchwork packages to combine those two plots. See also this answer for more complex examples.

library(dplyr)
library(ggplot2)

plt1 <- my_df %>% select(value) %>%
  ggplot(aes(x="", y = value)) +
  geom_boxplot(fill = "lightblue", color = "black") + 
  coord_flip() +
  theme_classic() +
  xlab("") +
  theme(axis.text.y=element_blank(),
        axis.ticks.y=element_blank())

plt2 <- my_df %>% select(id, value) %>%
  ggplot() +
  geom_histogram(aes(x = value, y = (..count..)/sum(..count..)),
                 position = "identity", binwidth = 1, 
                 fill = "lightblue", color = "black") +
  ylab("Relative Frequency") +
  theme_classic()

egg

# install.packages("egg", dependencies = TRUE)
egg::ggarrange(plt2, plt1, heights = 2:1)

cowplot

# install.packages("cowplot", dependencies = TRUE)
cowplot::plot_grid(plt2, plt1, 
                   ncol = 1, rel_heights = c(2, 1),
                   align = 'v', axis = 'lr')  

patchwork

# install.packages("devtools", dependencies = TRUE)
# devtools::install_github("thomasp85/patchwork")
library(patchwork)
plt2 + plt1 + plot_layout(nrow = 2, heights = c(2, 1))

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