Power BI tutorial | Clean and transform data using power query editor

Power BI Tutorial | Clean & Transform Data in Power BI

In this video, you’ll learn how to clean and transform messy data in Power BI using Power Query

This tutorial covers practical data-cleaning techniques using a real-world dataset, making it perfect for beginners and anyone preparing for Business Analyst or Data Analyst roles.

00:00 - Introduction
00:45 - Dataset
02:10 - Transforming the data
07:20 - Replacing the values
10:25 - Adding the custom calculated columns
12:55 - Extracting the year and month

In this video, you’ll learn how to:
1. Identify data quality issues
2. Remove nulls and blanks
3. Change and fix data types
4. Clean text data (trim, clean, proper case)
5. Handle incorrect values
6. Remove duplicates
7. Create useful calculated columns
8. Prepare clean data for dashboards

By the end of this video, you’ll understand how raw data is converted into analysis-ready data using Power Query.

📊 This is part of a Power BI beginner series focused on real-world analytics skills.

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Видео Power BI tutorial | Clean and transform data using power query editor канала Analytics with AK