Data visualization plays a vital role in the life of a data scientist. It is for this reason we decided to introduce some of the most widely used graphs from the prespective of data analysis. The knowledge of these will enable you to explore, present and report insights in an effective way.
In this chapter, we will be using ggplot2 package which is based on the Grammar of Graphics (by Leland Wilkinson) for showcasing examples. If you are a new to ggplot2, then please have visit this quick ggplot2 tutorial.