AI engineering glossary · NumPy pandas visualization
What is split-apply-combine?
Split-apply-combine: The three-step pattern behind grouped analysis: split the data into groups, apply a function to each group independently, then combine the outputs into one result. Understanding it explains what groupby, agg, transform and apply each return.
Split-apply-combine: an example
Splitting exam results by school, computing each school's average, and assembling those averages into one table.
Related terms
More NumPy pandas visualization terms
Where you learn it
Split-apply-combine is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.