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:
: Practical examples show how to compare current performance against the past and handle tricky calculations like running totals or non-numeric values. Practical PowerPivot & DAX Formulas for Excel
DATEADD : Used for time intelligence, such as calculating "Year-Over-Year" growth by shifting dates. In his book author Art Tennick provides a