My compliments to you for your learning summit, it was another learning experience.
I saw your 2 videos about the Cohort Analysis and I have a question, in your videos you are working with days between the periods. I want to work with static months.
I have the following report in Power BI:
and in Excel I have the report below:
How can I build the Excel-report in Power BI?
What do I have to do to have a supporting table, not in days but in “static” Join Month Cohorts?