GroupBy—Further Useful Features

Overview of further useful features

Having covered the standard functions across the three categories—aggregate, transform, and filter—let’s explore the other valuable features associated with the groupby() method. Although these features are less well-known, they can certainly be helpful in numerous use cases and scenarios.

Group selection

We can use the get_group() method on the GroupBy object to return rows belonging to a specific group. For example, if we would like to obtain the data for customers who are students (i.e., rows with the Yes value in the Student column).