The Longest Absence in a Period with Power Query and M Code in Excel

This video is about finding a way to calculate with Power Query in Excel the longest set of consecutive days a person was absent from work in a certain period.

The solution involves using M code:

List.Sum,

List.Range,

List.Max.

Learn by practicing: download the files.

The solution was inspired by a video by Faraz Shaikh’s: “Easiest way to do the Running Total Inside Group Data”

Learn how to automate your Excel reports
Get this ready-to-use Excel solution for 2 and 3 columns of Dependent Dropdown Lists
Check other posts about Power Query and Excel in this Blog,

About the Author: Celia Alves

Celia Alves is an awarded Microsoft MVP and Certified Excel Expert, specializing in building highly complex solutions combining VBA, Power Query, and Power Pivot to automate Excel reporting procedures. By combining her experience as an Excel Consultant and two decades as a Mathematics teacher, Celia created a training program to pass on her knowledge and techniques to those who want to stop wasting time in Excel with repetitive and meaningless tasks. Celia is also the founder and leader of the MS Excel meetup group in Toronto, with over 3,000 members worldwide.