DAX for Excel PowerPivot Introduction
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- 2 day course
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Course Outline
- Exploring Data Modeling
- Introducing DAX
- Using DAX Functions
- Understanding Evaluation Contexts
- Working with Dates
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Overview
Course Outline
Exploring Data Modeling
- Introducing DAX calculations
- Understanding DAX data types and operators
- Creating calculated columns and measures
- Handling errors in DAX expressions
- Formatting DAX code
- Understanding relationships between tables
- Basic DAX functions (aggregate, logical, filter)
- Row and filter contexts
Introducing DAX
- DAX calculations
- DAX data types
- DAX operators
- Calculated columns
- Measures
- Variables
- Handling errors in DAX expressions
- Formatting DAX code
Using DAX Functions
- Common DAX functions
- Aggregate functions
- Logical functions
- Information functions
- Mathematical functions
- Trigonometric functions
- Text functions
- Conversion functions
- Date and time functions
- Relational functions
- Using basic table functions
- Introducing table functions
- EVALUATE syntax
- Using table expressions
- FILTER
- ALL, ALLEXCEPT, and ALLNOBLANKROW
- VALUES and DISTINCT
- Using VALUES as a scalar value
Understanding Evaluation Contexts
- Introduction to evaluation contexts
- The row context
- Testing your evaluation context understanding
- Using SUM in a calculated column
- Using columns in a measure
- Creating a row context with iterators
- Using the EARLIER function
- FILTER, ALL, and context interactions
- Working with many tables
- Row contexts and relationships
- Filter context and relationships
- Introducing VALUES
- Introducing ISFILTERED, ISCROSSFILTERED
- Evaluation contexts recap
- Creating a parameter table
Working with Dates
- Explain and utilise date functions
- Explain working with calendars
- Explain using multiple calendars
- Create and configure date calculations
Utilising Advanced DAX Functionality
- Time Intelligence functions (e.g, year-to-date, rolling totals)
- Advanced aggregation and filtering techniques
- Handling complex data models (e.g., many-to-many relationships)
- Optimising DAX formulas for performance
- Advanced use of calculation groups and context interactions
- Best practices for data model design and optimisation
- Diagnosing and fixing performance issues in Power BI reports
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SEE COURSESUseful Links
- DAX reference guide – Discover a library of functions and operators to build formulas and expressions in Power BI, Analysis Services and Power Pivot in Excel data models
- The DAX Guide – Comprehensive learning guide
- Short tutorial in DAX – Quick start for users new to Power Pivot in Excel or tabular model projects authored in SQL Server Data Tools
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