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df.eval()
AI & DATA SCIENCE // df-eval
Evaluate a string describing operations on DataFrame columns.
Syntax
df.eval('C = A + B', inplace=True)Examples
Example 01Basic Usage
df.eval('C = A + B', inplace=True)Best Practices
- Use vectorized operations over iterations (e.g.
iterrows()) for performance. - Always verify memory usage when loading large files.