Data Preparation and Cleaning in Power BI — PickAClass
4.8 (5) ⏱ 2h 48m 📚 28 lessons

Data Preparation and Cleaning in Power BI

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

  • 💬 AI instructor
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  • 🕐 Start anytime
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  • 🌐 In English
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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
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    2h 48m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Data Preparation and Cleaning in Power BI
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Data Preparation and Cleaning in Power BI
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews (5)

Dewi Lestari ID
★ 5 · July 13, 2026

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.

Abigail Harris US Verified learner
★ 5 · June 26, 2026

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

Айгерим Абишева KZ Verified learner
★ 5 · June 15, 2026

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

Emiliano Herrera CL Verified learner
★ 5 · June 8, 2026

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

عبدالرحمن بن خليفة بن سعيد آل ثاني QA Verified learner
★ 4 · May 31, 2026

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

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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. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 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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