This is the R Sweave file that creates the pdf version of the tutorial. It contains the text and the code as seen in the presentation. Upload this file in R Studio. When you click on the Compile PDF ...

For R users, ggplot2 is a name that can hardly be ignored. As a data visualization package, ggplot2 can actually take care of all the details as long as you provide the data and tell it how to map ...

In Chapter 3, we introduce how to create graphs using ggplot2. This time, we will introduce line graphs. Line graphs are commonly used in Excel as well, but just like bar charts, there are several ...

The ggplot2 package is powerful and almost endlessly customizable, but sometimes small tweaks can be a challenge. The ggtext package aims to simplify styling text on your visualizations. In this ...