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How to change the Y-axis title to horizontal using ggplot2 in R?
The default direction of Y-axis title using ggplot2 in R is vertical and we can change to horizontal. For this purpose, we can use theme function of ggplot2 package. We would need to use the argument of theme function as axis.title.y=element_text(angle=0)) and this will write the Y-axis title to horizontal but the position will be changed to top.
Example
Consider the below data frame −
x<−rnorm(100) df<−data.frame(x) head(df,20)
Output
x 1 −0.5417569 2 −0.4018531 3 0.2178570 4 1.1911282 5 0.5977775 6 0.5790850 7 −0.5143645 8 0.5056482 9 1.1791990 10 −0.2668907 11 −0.4142607 12 −0.3763989 13 0.6037290 14 −0.4162111 15 −0.1434954 16 1.9538955 17 0.2724839 18 1.7957378 19 1.9833760 20 −0.9305919
Loading ggplot2 package and creating a histogram of x −
Example
library(ggplot2) ggplot(df,aes(x))+geom_histogram(bins=30)
Output
Changing the Y−axis title direction to horizontal −
Example
ggplot(df,aes(x))+geom_histogram(bins=30)+theme(axis.title.y=element_text(angle=0))
Output
Updated on: 09-Feb-2021
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