July 13, 2014 at 11:17Power Pivot: Window Features with DAX Sauce
in connection with the controversial transfer of 1 part of the post to geektimes (despite the fact that the 2nd part remained on the hub), I return the 1st part to its place.
The first part is here:
habrahabr.ru/post/245631
The first part is here:
habrahabr.ru/post/245631