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df.filter()
AI & DATA SCIENCE // df-filter
Subset the dataframe rows or columns according to the specified index labels.
Syntax
res = df.filter(items=['A', 'B'])Examples
Example 01Basic Usage
res = df.filter(items=['A', 'B'])Best Practices
- Use vectorized operations over iterations (e.g.
iterrows()) for performance. - Always verify memory usage when loading large files.