Count unique values Excel

Count unique values Excel

This article shows how to count unique values Excel formulas SUMPRODUCT and COUNTIF. The SUMPRODUCT function can handle arrays without actually using array formulas, and this allows evaluating the formulas in each cell of an array. Syntax =SUMPRODUCT( 1 / COUNTIF(...
How to count by week number

How to count by week number

To count by week number is a bit different than by month. Instead of finding the start and end dates of the date range, we focus on exact week number using the WEEKNUM function. Syntax =COUNTIFS( range of week number helper column, current week number) Steps Add a...