R Programming Fundamentals

Data Summarization Tables

If you're familiar with Microsoft Excel, you may have some experience building pivot tables. It's possible to create them in R using the rpivotTable package, as shown in the following screenshot:

If you install it along with the htmlwidgets package, you can create pivot tables with multiple options and look at stats. It's interesting, but you'll also need to know how to manipulate data yourself. The rest of this section will focus on building the various kinds of summaries using tools other than rpivotTable.

What kind of data summarization you'll need to use will strongly depend on the goals of your data project. ...