How can I suppress the vertical gridlines in a ggplot2 plot while retaining the x-axis labels?

Question

This is a follow-on from this question, in which I was trying to suppress the vertical gridlines.

The solution, as provided by learnr, was to add scale_x_continuous(brea

Answer 1

Well I found this solution while googling for this problem. I have not tried it, yet.

http://wiki.stdout.org/rcookbook/Graphs/Axes%20(ggplot2)/

You have to scroll down a bit.

Best,

Felix