Category: Power BI

DAX – Slicers For Selecting Last “X” Periods

Using Time Intelligence in PowerPivot can appear scary when you first start using it and I’ve seen some weird and wonderful ways of attacking it, some that look like we’re calling into question the validity of the global phenomenon that is time and others that are quite simply brilliant.

Written by on October 11, 2011

Creating Accurate Percentile Measures in DAX – Part I

Equivalents of Excel’s Percentile, Quartile, and Median functions are perhaps the most significant omissions in Denali’s DAX statistical function library. Quartile and Median are actually special cases of percentile, and in this post, we calculate these special cases.

Written by on September 29, 2011

Less Columns, More Rows = More Speed!

“Stay close!  Come together!  Staggered columns!  Staggered columns! I mean…  less columns!  More rows!” -General Maximus Speedicus Queryus A Long-Held Belief, Quantified For a long time now I have been […]

Written by on August 1, 2011