: The book includes simplified chapters designed to help users build sophisticated pivot tables in just a few minutes. Essential DAX Formulas for Power Users
In his book author Art Tennick provides a comprehensive guide for extracting actionable insights from massive corporate datasets. This "hands-on" resource is particularly noted for:
RANKX : Automatically ranks items (like products or sales reps) based on a specific value. Practical PowerPivot & DAX Formulas for Excel 2010 Practical PowerPivot & DAX Formulas for Excel
: It bridges the gap between different data worlds, including appendixes for SQL, MDX, and DMX query design.
: It contains over 250 downloadable DAX formulas that cover everything from basic filtering to complex statistical and time-intelligence functions. : The book includes simplified chapters designed to
CALCULATE : The most powerful function, used to modify the filter context of a calculation.
SUMX : An "iterator" function that performs a calculation row-by-row before summing the results. Practical PowerPivot & DAX Formulas for Excel 2010
If you're looking for the "power" in PowerPivot, these common DAX functions highlighted by expert resources like Microsoft Support and Analytics Vidhya are essential: