# Aggregation, Granularity, and Ratio Calculations

4:54

Ever need to compute something like clicks/impressions or profit/sales in Tableau? This video shows you how to make sure your calculation is always correct by introducing the concepts of aggregation and granularity of the view.

Applicable Versions:
2019.3, 2019.2, 2019.1, 2018.3, 2018.2, 2018.1, 10.5, 10.4, 10.3, 10.2, 10.1, 10.0