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Ggplot facet detail adjustment summary
2022-07-07 03:51:00 【Zhuang Shanshan】
brief introduction
Xiaobian introduced some time ago ggplot2 Faceted problem :R Visible | Split one page and many pictures . And many books have introduced How to use ggplot2 Facet of , Such as :《ggplot2: Elegant Graphics for Data Analysis》,《R Language course 》.
But the detail adjustment after painting , Hardly introduced . Xiaobian is in the process of learning , Some detail adjustment skills are sorted out , For reference . And share it with you , I hope I can help you ~
The framework of this paper
course
This paper gives an example by simulating data , Readers can use the data form , Load your own dataset , And corresponding data processing .
Generate the data
# Import package
library(ggplot2)
set.seed(1)
dat = data.frame("time" = rep(2013:2019,6),
"method" = rep(LETTERS[1:6],each = 7),
"value" = rnorm(7*6,5,1),
"upper" = rnorm(7*6,5,1) + abs(rnorm(7*6,2,0.1)),
"lower" = rnorm(7*6,5,1) - abs(rnorm(7*6,2,0.1))
)
head(dat)
Basic version drawing
cols <- c("#85BA8F", "#A3C8DC","#349839","#EA5D2D","#EABB77","#F09594") # Set the color
p = ggplot(dat,aes(x = time, y = value,fill = method)) +
geom_line(aes(color = method)) + # Add line
geom_point(aes(color = method)) + # Add scatter
geom_ribbon(aes(ymin=lower, ymax=upper), alpha=0.3) + # Add interval
scale_x_continuous(breaks = 2013:2019) +
facet_wrap(vars(method),nrow = 4) +
theme_bw() + ylab("Value") + xlab("Time") + # Theme Settings
theme(panel.grid = element_blank())
p
Scale modification
By default ,x、y The axis scale is fixed , namely ,scales = "fixed"
. For details, please refer to :https://ggplot2-book.org/facet.html.
x Axis
Using the parameter scales = "free_x"
, modify x Shaft scale .
p + facet_wrap(vars(method),nrow = 4,scales = "free_x")
y Axis
Using the parameter scales = free_y
, modify y Shaft scale .
p + facet_wrap(vars(method),nrow = 4,scales = "free_y")
Double axis
Using the parameter scales = free
, modify x and y Shaft scale .
p + facet_wrap(vars(method),nrow = 4,scales = "free")
[ Failed to transfer the external chain picture , The origin station may have anti-theft chain mechanism , It is suggested to save the pictures and upload them directly (img-q8BdFXbf-1656937310384)(https://files.mdnice.com/user/5000/9d1e15c9-ebc3-43b2-a892-43a1229eb0b5.png)]
Title box adjustment
This part is all about theme()
Adjust in . For details, please refer to :https://ggplot2-book.org/polishing.html.
Position adjustment
modify strip.position
Adjust the position .
p + facet_wrap(vars(method),nrow = 3,strip.position = "left")
Remove the title box background
utilize strip.background = element_blank()
Remove the title box background .
p + theme(
strip.background = element_blank() # Remove the title box background
)
Change the background color of the title box
utilize strip.background = element_rect()
Change the background color of the title box .
p + theme(strip.background=element_rect(colour="black",
fill="#2072A8"))
Change the text color of the title box
utilize strip.text.x=element_text()
Change the text color of the title box .
p + theme(strip.text.x=element_text(colour="white"))
Delete the title box
utilize strip.text.x = element_blank()
Delete the title box .
p + theme(strip.text.x = element_blank())
Small make up has words
If it helps , Welcome to thumb up , Share ~
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