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df.where()

AI & DATA SCIENCE // df-where

Replace values where the condition is False.

Syntax

res = df.where(df > 0, 0)

Examples

Example 01Basic Usage
res = df.where(df > 0, 0)

Best Practices

  • Use vectorized operations over iterations (e.g. iterrows()) for performance.
  • Always verify memory usage when loading large files.