Data Preparation and Cleaning in Power BI

Learn to transform messy datasets into structured information using Power Query to streamline your data analysis workflow.

4.9 (7,444) ⏱ 38 min 📚 8 lessons

About this course

Raw data is rarely ready for analysis right away. This course teaches you how to turn unorganized datasets into clean, structured information using Power Query within Power BI. You will gain the skills to handle common data issues like missing values and duplicates while learning how to perform transformations that make your reports more accurate and easier to build. What you'll learn: - Understand foundational data preparation concepts and the Power Query interface - Clean datasets by removing duplicates, handling missing values, and filtering rows - Profile data to identify quality issues and anomalies before starting your analysis - Apply text, numeric, and date transformations to format data correctly - Merge and append different data sources to create a unified data model - Explore the basics of the M formula language for custom data logic The course begins with essential terminology and interface navigation before moving into practical cleaning techniques and advanced data shaping methods. You will read through detailed explanations and practice your skills with written exercises designed to simulate real-world data challenges. This course is designed for beginners who want to master the data preparation stage of the analysis workflow; no prior experience with Power BI is required. Start building cleaner and more reliable data models today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 30-day refund
    No questions asked
  • Short & focused
    38 min of practical content

Reviews (5)

عبدالرحمن بن خليفة بن سعيد آل ثاني QA Verified learner
★ 4 · 2026-03-07T02:50:23+00:00

Really well-organized content. I appreciated the variety of examples used to explain things. Totally leveled up my understanding.

Dewi Lestari ID
★ 5 · 2026-03-04T02:00:23+00:00

It's a solid course. The structure is logical and most of the examples were helpful. Could use a few more real-world scenarios though.

Айгерим Абишева KZ Verified learner
★ 5 · 2025-07-26T19:20:23+00:00

Brilliant course! The structure was intuitive and the actionable insights are invaluable. Highly recommend.

Abigail Harris US Verified learner
★ 5 · 2025-03-21T15:28:23+00:00

This course exceeded my expectations. The structure was perfect, building knowledge step-by-step. Really valuable content.

Emiliano Herrera CL Verified learner
★ 5 · 2025-02-10T06:39:23+00:00

So impressed with how this was put together. The examples were perfect, and the overall structure made complex ideas easy to grasp. Loved it!

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe, or with cryptocurrency. We do not store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 30 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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