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Python Programming Learning Circle

May 7, 2022 · Fundamentals

Using pandas iterrows() and groupby() for DataFrame Row Iteration and Aggregation

This article explains how to iterate over DataFrame rows with pandas iterrows(), demonstrates grouping data using pandas groupby() with examples of splitting, aggregation, transformation, and filtration, and provides complete code snippets for each operation.

Aggregationdata analysisdataframe

0 likes · 7 min read

Using pandas iterrows() and groupby() for DataFrame Row Iteration and Aggregation

Python Programming Learning Circle

Apr 11, 2020 · Fundamentals

Speeding Up Pandas Row Iteration: Use itertuples() Instead of iterrows()

This article explains why iterating over Pandas DataFrames with iterrows() is slow, demonstrates the performance gain of using itertuples()—often over a hundred times faster—and provides a simple example to help Python data‑analysis practitioners write more efficient code.

data analysisiterrowsitertuples

0 likes · 4 min read

Speeding Up Pandas Row Iteration: Use itertuples() Instead of iterrows()