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How to increase the width of the X-axis line for a ggplot2 graph?
To increase the width of the X-axis line for a ggplot2 graph in R, we can use theme function where we can set the axis.line.x.bottom argument size to desired size with element_line.
Check out the below Example to understand how it can be done.
Example
Following snippet creates a sample data frame −
x<-sample(0:9,20,replace=TRUE) y<-sample(0:9,20,replace=TRUE) df<-data.frame(x,y) df
The following dataframe is created
x y 1 4 5 2 5 0 3 5 3 4 7 4 5 1 9 6 0 6 7 6 0 8 9 7 9 6 5 10 5 3 11 2 8 12 3 2 13 5 1 14 1 2 15 8 2 16 6 5 17 5 2 18 1 2 19 9 4 20 9 2
To load ggplot2 package and create scatterplot between x and y on the above created data frame, add the following code to the above snippet −
x<-sample(0:9,20,replace=TRUE) y<-sample(0:9,20,replace=TRUE) df<-data.frame(x,y) library(ggplot2) ggplot(df,aes(x,y))+geom_point()
Output
If you execute all the above given snippets as a single program, it generates the following Output −
To create scatterplot between x and y with larger width of X-axis line on the above created data frame, add the following code to the above snippet −
x<-sample(0:9,20,replace=TRUE) y<-sample(0:9,20,replace=TRUE) df<-data.frame(x,y) library(ggplot2) ggplot(df,aes(x,y))+geom_point()+theme(axis.line.x.bottom=element_line(size=2))
Output
If you execute all the above given snippets as a single program, it generates the following Output −
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