Question
Explain the concept of split-apply-combin in group by.

Answer

By “group by” we are referring to a process involving one or more of the following steps:

Splitting the data into groups based on some criteria.

Applying a function to each group independently.

Combining the results into a data structure.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free