Why nobody looks at your dashboard (and why it's not your fault)
Most dashboards are corporate theater. Decisions are made by gut feeling and justified with data afterwards.
Most dashboards are corporate theater. Decisions are made by gut feeling and justified with data afterwards.
Real comparison of Power BI vs Tableau: pricing, learning curve, job demand, and when to use each one.
Complete guide to Power BI Copilot: requirements, Fabric pricing, how to enable it, real use cases, and honest limitations.
Learn DAX from scratch: what it is, what it's for, difference from Power Query, the 5 essential functions, and common mistakes. With code examples.
Complete Power Query guide: what it is, where to find it in Excel, the 10 most useful transformations, and why it beats VLOOKUP.
Step by step when the numbers don't match. From the 80% rule to database validation.
Complete guide to inactive relationships in Power BI: why they appear, how to detect them, USERELATIONSHIP, role-playing dimensions, and advanced patterns.
Why checking the history before touching the model can save you hours of rework. A practical guide to documentation in Power BI.
How to calculate rolling 12 months in Power BI correctly. Step-by-step DAX tutorial.
How to handle products that change categories over time in DAX.
Value Encoding, Dictionary Encoding, and RLE explained without the academia. Why your model is 2GB when it should be 200MB.