Power BI Data Preparation: Cleaning, Transformation, and Data Modeling

By Progya Categories: Power Bi
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Free
Free access this course
  • All Levels
  • 47 minutes Duration
  • Certificate of completion

About Course

Learn how to clean, transform, and prepare data in Power BI using real-world techniques that are essential for any data analyst.

This course focuses on the most critical step in data analysis — data preparation. You will learn how to import datasets into Power BI, clean messy data, transform columns, and prepare structured data that is ready for analysis and visualization.

Instead of theoretical explanations, this course provides hands-on experience with real datasets. You will work with text, numeric, and date data, adjust data types, remove unnecessary columns, and create conditional columns for advanced data transformation.

By the end of this course, you will be able to confidently prepare raw data for dashboards and reports, making you job-ready for roles such as data analyst, business intelligence analyst, and reporting analyst.

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What Will You Learn?

  • Import raw datasets into Power BI and understand how data flows into the system
  • Clean and organize messy datasets so they become structured and analysis-ready
  • Rename tables and columns properly to improve clarity and professionalism in your reports
  • Assign correct data types to columns, ensuring accurate calculations and visualizations
  • Split complex or combined columns into structured formats for better usability
  • Remove unnecessary columns to simplify datasets and improve performance
  • Replace incorrect or inconsistent values to improve data quality and reliability
  • Perform text data manipulation to standardize and clean string-based data
  • Analyze numeric data effectively to prepare it for meaningful insights
  • Work with date and time data to enable time-based analysis and reporting
  • Create conditional columns to automate data transformation and apply logic directly within Power BI
  • Understand how real-world data is prepared before building dashboards
  • Build confidence to handle data cleaning tasks independently in Power BI
  • Develop practical skills that are directly used in business intelligence and analytics roles

Course Content

Course Introduction & Setup

  • Download practice datasets
  • Downloading Power BI Desktop
  • Important settings in Power BI

Getting Started with Data in Power BI

Data Cleaning & Transformation

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