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df.agg()
AI & DATA SCIENCE // df-agg
Aggregate using one or more operations over the specified axis.
Syntax
res = df.agg({'A': 'sum', 'B': 'mean'})Examples
Example 01Basic Usage
res = df.agg({'A': 'sum', 'B': 'mean'})Best Practices
- Use vectorized operations over iterations (e.g.
iterrows()) for performance. - Always verify memory usage when loading large files.