In this section, we'll explore aggregations in pandas, from simple operations akin to what we've seen on numpy arrays, to more sophisticated operations based on the concept of a groupby. In the above example, we're using the aggregate() function to apply multiple aggregation functions (sum, mean, max, and min) to the value column after grouping by the category column. Learn efficient python data aggregation techniques using list, set, and dictionary comprehensions to transform and process data with concise, readable code.

Here, we consider paragraph-level qag, where user will provide a context (paragraph or document), Ò€¦