In this post I want to introduce you to a great ggplot2 add-on, ggthemes. ggthemes which is freely available on github, let you turn your current plots to professional looking plots in a matter of a couple of lines of code.
ggthemes has various of different themes such as
Excel and various other professional themes that makes your current plots much fancier.
Here is a plot that I made for one of my assignments this year using this library.
Check out more examples on its offical Github Repo