PowerPivot Forum

Hi, I work in planning/forecasting for an oil & gas (O&G) exploration & production company. We have a fairly complex Excel model consisting of a number of linked workbooks that start with a schedule of when we plan to drill individual wells and end with a full set of corporate financial ...

Hi, I'm new to DAX and am working through the book. I have a question about the "Calculating Lifetime Customer Purchases" example (sorry, I can't see the page numbers on the Kindle version). What is the purpose of wrapping CALCULATE around the COUNTROWS/FILTER function? As far as I can tel...