Phase 7 · BI Tools & Dashboards

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DAX Basics (Power BI)

Part of the Data Analyst Roadmap.

Summary

Data Analysis Expressions — Power BI's formula language for calculated columns and measures, similar in spirit to Excel formulas but operating across an entire data model.

How to Learn This

  • 1Write a simple DAX measure (e.g. total sales) and a calculated column.
  • 2Learn the difference between a calculated column (row-by-row) and a measure (aggregated).
  • 3Practice a slightly more advanced DAX measure using CALCULATE().
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