Advanced DAX Window Functions
Modern DAX: OFFSET, WINDOW, INDEX and RANK.
01Business problem
Older time-intelligence patterns were slow and hard to maintain; the goal was to show the cleaner modern alternatives.
02Approach
Month-over-month change uses OFFSET, running and moving totals use WINDOW, and top/bottom performers use INDEX and RANK, replacing nested CALCULATE/FILTER patterns.
03What's inside
- MoM change with OFFSET
- Running and 3-month moving totals with WINDOW
- Top-N and bottom-N with INDEX / RANK
- Side-by-side comparison with legacy patterns
04Insights & outcome
Faster measures that are easier to read and maintain.
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