Power BI: Practical Data Analysis — PickAClass
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★ 4.0 (1) ⏱ 2h 59m 📚 28 lessons 🎧 Audio version

Power BI: Practical Data Analysis

Develop essential data modeling and visualization skills in Power BI to become a proficient BI analyst.

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  • 🌐 In English
    Lessons, tasks and certificate — all fully in your language.

About this course

Unlock the power of your data and transform complex information into clear, actionable insights. This course guides you through the fundamental principles and practical applications of Power BI, a leading business intelligence tool. You will learn to connect to various data sources, clean and transform data, build robust data models, and create compelling interactive reports and dashboards that drive informed decision-making. By the end of this course, you will be equipped to tackle real-world data analysis challenges and present your findings effectively. What you'll learn: * Understand the core components and workflow of the Power BI interface * Apply Power Query for efficient data extraction, transformation, and loading (ETL) * Build effective data models and define relationships for complex datasets * Write powerful Data Analysis Expressions (DAX) for advanced calculations and measures * Design and implement interactive data visualizations and reports * Practice creating complete Power BI projects from raw data to polished dashboards * Implement report design principles for clarity, performance, and basic accessibility This course begins with foundational concepts and terminology, progressing through data preparation, modeling, calculation creation, and culminating in the design of professional, insightful reports. It's structured to provide a clear path from basic understanding to practical application. This course is ideal for absolute beginners with no prior experience in Power BI or data analysis who aspire to a career in business intelligence or data analytics. Begin your journey to mastering data visualization and analysis with Power BI today.

Course contents

7 modules · 28 lessons · 2h 59m

1 Introduction to Power BI
Understand what Power BI is and how the interface works. 3 lessons · 16 min
  1. What is Power BI? Concepts & Terminology
    Introduction to the role of Power BI in Business Intelligence and core concepts.    5 min
  2. The Power BI Desktop Interface
    A tour of the different views: Report, Data, and Model.    6 min
  3. The Power BI Workflow
    Understanding the process from data extraction to sharing insights.    5 min
2 Preparing Data with Power Query
Learn how to import and clean data (ETL). 6 lessons · 38 min
  1. Connecting to Data Sources
    How to connect Excel, CSV, and other sources to Power BI.    6 min
  2. Introduction to the Power Query Editor
    The interface where the transformation magic happens.    6 min
  3. Cleaning Data: Columns and Rows
    Removing unnecessary data and renaming columns for clarity.    7 min
  4. Data Types and Transformations
    The importance of correct data types and basic operations like splitting.    7 min
  5. Combining Tables: Merge and Append
    Merging data from different tables into a single whole.    7 min
  6. Loading Data into the Model
    The final step of ETL: applying your cleaned data.    5 min
3 Data Modeling and Relationships
Building a robust structure for your analyses. 4 lessons · 26 min
  1. The Basics of Data Modeling
    Why a good model is essential for accurate calculations.    6 min
  2. Managing Relationships
    Creating One-to-Many relationships between tables.    7 min
  3. The Star Schema Principle
    Explanation of Fact and Dimension tables for optimal performance.    7 min
  4. Understanding Filter Directions
    How filters flow through your model and common pitfalls.    6 min
4 DAX: Powerful Calculations
Creating advanced calculations with Data Analysis Expressions. 5 lessons · 34 min
  1. What is DAX?
    Introduction to the syntax and logic of the DAX language.    6 min
  2. Measures vs. Calculated Columns
    When to use which method and why?    7 min
  3. Basic Aggregations: SUM, AVERAGE, COUNT
    Creating simple measures to summarize your data.    6 min
  4. The CALCULATE Function
    The most important function in DAX for modifying filter context.    8 min
  5. Time Intelligence Basics
    Creating calculations over periods, such as Year-to-Date (YTD).    7 min
5 Visualizations and Reporting
Turning data into compelling visual stories. 4 lessons · 24 min
  1. Creating Your First Visualizations
    Dragging and dropping fields to build charts.    6 min
  2. Using Slicers and Filters
    Making reports interactive for the end user.    6 min
  3. Maps and Tables
    Adding geographic data and detailed overviews.    6 min
  4. Interaction Between Visuals
    Understanding how clicking on one chart affects the rest.    6 min
6 Design and Best Practices
Making reports professional, fast, and accessible. 3 lessons · 19 min
  1. Design Principles for Clarity
    Layout, color usage, and avoiding 'chart junk'.    7 min
  2. Optimizing Performance
    Tips to make your reports load quickly, even with large amounts of data.    6 min
  3. Accessibility
    Making reports usable for everyone (color contrast, alt text).    6 min
7 Practical Project: The Final Dashboard
Bringing everything together in a complete project. 3 lessons · 22 min
  1. From Raw Data to Model
    Step-by-step construction of a sales case.    8 min
  2. Polishing the Dashboard
    Final visual adjustments for a professional look.    8 min
  3. Sharing Your Report
    Introduction to the Power BI Service and publishing.    6 min
Final project

Sales Performance Dashboard

Build a fully interactive sales dashboard based on a raw dataset containing transactions, products, and regions.

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.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • ⚡ Short & focused
    2h 59m 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.

P
PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Power BI: Practical Data Analysis
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
Power BI: Practical Data Analysis
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 (1)

Christopher Roux ZA Verified learner
★ 4 · July 22, 2026

Coming in with zero BI background, I walked away actually able to model a dataset and build a working dashboard. The sections on relationships between tables and writing basic measures finally made the data model click for me, which is the part I'd always struggled with. The visualization examples were practical and felt like real reporting tasks rather than toy data. I do wish DAX got a bit more coverage beyond the basics, but honestly that's a small gripe. Solid foundation for anyone wanting to step into an analyst role.

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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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