Polars: Chapter 14 - User-Defined Functions #57
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📝 Summary
The core idea of this chapter is to demonstrate realistic scenarios where the flexibility of user-defined functions outweighs potential performance drawbacks, while simultaneously providing an overview of relevant Polars expressions for UDFs and utilizing the interactive Marimo environment.
In the "🚀 Higher-performance UDFs" section I introduced concepts like NumPy ufuncs and generalized ufuncs but did not go into huge detail on purpose, as there is a dedicated "NumPy functions" chapter for that in the course outline #40.
Chapter outline:
You can try this notebook by executing:
📋 Checklist
--sandbox