Getting ready

Suppose you are interested in visualizing your data using the ggplot2 library, but when you call the library using the library(ggplot2) code, you end up getting an error saying that ggplot2 is not found. Now, you need to install ggplot2. In this recipe, you will install the following libraries from the sources mentioned:

• The ggplot2 library from CRAN
• The devtools library from CRAN
• The dplyr library from GitHub
• The GenomicFeatures library from BioC