LazyDAX: a Power BI File for your presentation, discoveries, or learn DAX

LazyDAX is a free, comprehensive Power BI file designed to accelerate your DAX learning, enhance presentations, and provide a clean star schema environment for testing measures.

Why I Created LazyDAX
After years of working with Power BI, I realized the need for a comprehensive, ready-to-use file that could serve multiple purposes:
Present discoveries to colleagues and clients with professional-grade visuals
Test DAX measures in a clean, well-structured star schema environment
Learn DAX functions through practical, organized examples
Demonstrate Power BI features with real-world scenarios
Save time on creating demo datasets and basic report structures

Download LazyDAX.pbix

View on GitHub

100% Free & Open
LazyDAX is completely free to use, modify, and distribute. No server connections required, no licenses needed. Built using Power BI’s “Enter Data” feature, making it instantly usable anywhere.

What’s Inside LazyDAX

Data Model Architecture

LazyDAX features a clean star schema design that mirrors real-world business scenarios:

Fact Table: Sales transactions with measures for revenue, quantity, and profit
Dimension Tables: Products, Customers, Geography, and Date
Relationships: Properly configured one-to-many relationships
Data Quality: Clean, consistent data perfect for learning and testing

DAX Functions Library

I’ve organized multiple DAX measures following Microsoft’s official function categories:

Aggregation Functions

SUM, AVERAGE, MIN, MAX
SUMX, AVERAGEX
DISTINCTCOUNT, COUNTROWS

Filter Functions

CALCULATE, FILTER
ALL, ALLEXCEPT, ALLSELECTED
KEEPFILTERS, REMOVEFILTERS

Time Intelligence

DATESYTD, DATESQTD, DATESMTD
SAMEPERIODLASTYEAR
DATEADD, DATESBETWEEN

Statistical Functions

RANKX, TOPN
PERCENTILE, MEDIAN
VAR, STDEV

Interactive Preview

Experience LazyDAX directly in your browser:

View All Pages in PDF Format

Community & Feedback

I’d love to hear how you’re using LazyDAX! Share your thoughts, suggestions, or creative modifications:

Submit issues or suggestions on GitHub
Connect with me on LinkedIn for discussions
Share your custom modifications with the community

LazyDAX is maintained with care and countless hours of refinement. If it helps you in your Power BI journey, consider sharing it with others who might benefit from it too!