The GroupBy Method
Explore how to apply the pandas groupby method to organize data by categories, use functions to analyze each group, and combine the outcomes. Understand the split-apply-combine process to evaluate grouped data, enabling efficient aggregation and detailed statistical summaries within Python DataFrames.
We'll cover the following...
We'll cover the following...
The groupby method is one of the most important functionalities in pandas. It allows us to group data, call aggregate functions and combine the results in three steps, namely split, apply, and combine.
Before we move on to learning this hands-on, let’s understand how the three steps—split, apply, and combine—work on data that is in different colors.