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How to change the linetype for geom_vline in R?
To change the linetype for geom_vline, we can use linetype argument in geom_vline function of ggplot2 package. There are mainly six linetypes that can be used and these values are 0=blank, 1=solid (default), 2=dashed, 3=dotted, 4=dotdash, 5=longdash, 6=twodash.
Consider the below data frame −
x<-rnorm(1000) df<-data.frame(x)
Loading ggplot2 package and creating histogram of x with vertical line −
Example
library(ggplot2) ggplot(df,aes(x))+geom_histogram(bins=10)+geom_vline(xintercept=0)
Output
Creating histogram of x with vertical line of different line type −
Example
ggplot(df,aes(x))+geom_histogram(bins=10)+geom_vline(xintercept=0,linetype="dotdash")
Output
Updated on: 06-Feb-2021
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