In the previous chapter, we introduced R and how to start using R programming to analyze data. In this chapter, we further explain some of the important concepts required for data analysis, including reading various types of data files, storing data, and manipulating data. We also discuss how to create your own functions and R packages. After reading this chapter, you will have a good introduction to R and can get started with data analysis.
3.1 Reading and Writing Data
Data is available from a variety ...
