How to write R Graph Cookbook code
How to write R Graph Cookbook code, I believe that many inexperienced people do not know what to do, so this article summarizes the causes of the problem and solutions, through this article I hope you can solve this problem.
# CHAPTER 5#Recipe 1. Multiple factor variable bar chart Creating Bar charts with more than one factor variableinstall.packages ("RColorBrewer") # if not already installedlibrary (RColorBrewer) citysales
