📊 Data Processing 📖 Official

Data Deduplication and Cleaning

Identify and handle duplicate records in data, clean invalid data, improve data quality

★★☆ Intermediate 10-20 min January 11, 2025

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Scenario

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Prompt

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Expected Result

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Tips

• Can preview records to be deleted before confirming
• For uncertain records, can flag instead of deleting directly
• Keep cleaning logs for future auditing