Power BI DAX Training Course Beginners

Beginners Power BI DAX Course Overview

DAX (Data Analysis Expressions) is the language of such analytical tools as PowerBI, Power Pivot and SQL server. Having a thorough understanding of DAX will allow you to develop visualisations and present data in any way you want. No longer are you constrained to using the standard formula that comes with Excel. You no more have to work out complex time analysis functions that should be straightforward. Formulas such as Year to Date or Quarter to Date or even working out how much you''ve earned this financial year.

Although DAX can be used in a number of scenarios, the course primarily concentrates on DAX for PowerBI. You will see how understanding more about DAX will give you power and control over your visualisations and in that way allow you to present your data in a fantastically clear way.

What You'll Learn in Power BI DAX

• Master DAX fundamentals: data types, operators, and calculations
• Understand row and filter contexts
• Use table functions like FILTER, ALL, and VALUES
• Leverage CALCULATE and CALCULATETABLE for advanced filtering
• Apply DAX to time intelligence and dynamic analysis

Course Duration: 2 Day

Course Prerequisites

This course is designed for individuals with foundational Power BI knowledge who are ready to explore DAX. To make the most of your training, we recommend:

• Basic Power BI skills:Familiarity with creating reports, importing data, and using visuals.
• Intermediate Excel experience:Understanding of functions like SUM, IF, and VLOOKUP, and working with tables.

Not sure if you're ready for the advanced course? Take a quick look at the beginners' training to make sure you're all set. Microsoft Power BI Beginners Training Course.

Complete Course Outline

What is Dax?

• DAX in the world of Excel
• Cells vs tables
• Iterators - what are they?

Introducing DAX

• Understanding DAX calculations
• DAX data types
• DAX operators
• Calculated columns vs measures
• Variables
• Error handling in DAX
• Formatting DAX Code
• Common DAX functions

Basic Table Functions

• What are table functions?
• EVALUATE syntax
• Table expressions
• Understanding FILTER
• Understanding ALL, ALLEXCEPT, and ALLNOBLANKROW
• UNDERSTANDING VALUES and DISTINCT

Understanding Evaluation Contexts

• Introduction to evaluation contexts
• Understanding the row context
• Using SUM in a calculated column
• Using columns in a measure
• Row context with Iterators - EARLIER function
• Working with many tables
• Row contexts and relationships
• Filter context with relationships
• Introducing VALUES
• Introducing ISFILTERED, ISCROSSFILTERED

CALCULATE and CALCULATETABLE

• Understanding CALCULATE
• Understanding the filter context
• CALCULATE examples
• Filtering a single column
• Filtering with complex conditions
• Using CALCULATETABLE
• What are circular dependencies
• CALCULATE rules
• Introducing ALLSELECTED
• Understanding USERELATIONSHIP

DAX Examples

• Finding ratios and percentages
• Cumulative totals
• Using ABC (Pareto) classification
• Finding sales per day and working day
• Differences in working days
• Static moving averages

Time Intelligence Calculations

• What is time intelligence?
• Building a date table
• Handling multiple relationships to the date table
• Aggregating overtime (year-to-date|qarter-to-date)
• Opening and closing balances

Other Related Courses

• Microsoft Power BI Beginners Training
• Microsoft Power BI Intermediate Training
• Microsoft SharePoint 365 Beginners Training
• Microsoft Excel 365 Advanced Training
• Microsoft Excel 365 Intermediate Training

Post-Course Resources

• Training notes & exercise files
• Online materials: video tutorials & shortcuts
• 3 months post training support

Power BI DAX training is available online and in person.

Live Online Training

Power BI Online Training - All you need to know.