Professional Development · IT & Digital · Module 4: Data Management and Formatting

Removing Duplicates and Data Cleaning

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Build a professional data cleaning workflow in Excel — using Remove Duplicates, COUNTIF, UNIQUE, TRIM, PROPER, VALUE, Flash Fill, and Power Query to detect, remove, and prevent inconsistencies in datasets before analysis.

Inhaltsübersicht

  • Identifying and Removing Duplicate Rows
  • Text Cleaning: TRIM, PROPER, UPPER, LOWER, and VALUE
  • Find and Replace, Flash Fill, and Spotting Inconsistencies
  • Power Query for Repeatable Data Cleaning and Building a Cleaning Checklist
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