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How to change the orientation and font size of x-axis labels using ggplot2 in R?
This can be done by using theme argument in ggplot2
Example
> df <- data.frame(x=gl(10, 1, 10, labels=paste("long text label ", letters[1:10])), y=rnorm(10,0.5)) > df x y 1 long text label a -0.8080940 2 long text label b 0.2164785 3 long text label c 0.4694148 4 long text label d 0.7878956 5 long text label e -0.1836776 6 long text label f 0.7916155 7 long text label g 1.3170755 8 long text label h 0.4002917 9 long text label i 0.6890988 10 long text label j 0.6077572
Plot is created as follows −
> library(ggplot2) > ggplot(df, aes(x=x, y=y)) + geom_point() + theme(text = element_text(size=20), axis.text.x = element_text(angle=90, hjust=1))
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