Subsetting your data

Now that we can make pandas series and DataFrames, let's work with the data they contain. In this section, we will see how to get and manipulate the data we store in a pandas series or DataFrame. Naturally, this is an important topic; these objects will be useless otherwise.

You should not be surprised that there are many variations on how to subset DataFrames. We will not cover every idiosyncrasy here; refer to the documentation for an exhaustive discussion. But we will discuss the most important functionality every user of pandas should be aware of.

Subsetting a series

Let's first look at series. Since they are similar to DataFrames, there are key lessons that apply there. The simplest way...