打破箱线图xlim间隔

Question

My boxplot has a range 1 to 121 on the x axis, with breaks of 1.

My boxplot code:

boxplot(data, xlab="No f bags", xlim=(1,121))

How can I plot the boxplot by applying breaks to axis follows:

1, 20, 40, 60, 80, 100, 120

Thanks

Answer 1

See the example below:

data<-data.frame(a=runif(200,min=1,max=121))

boxplot(data$a,xlab='No f bags',ylim=c(1,121),yaxt='n')

The yaxt argument in boxplot removes the default y-axis labeling R provides.

axis(side=2,at=c(1,20,40,60,80,100,120))

The final line of code with the axis function now tells R to establish a new y-axis at the following breaks.