Forum Discussion
Quentin_B
2 years agoNew Member
Period comparison problems using Weeks (ISO-8601)
Hi everyone, As a rookie on Power BI, I'm strugling for days on a date comparison using ISO 8601 weeks' standard. Here is my 'Date' Table, as you can see, I created a column for the Year ISO (...
lbendlin
Super User
2 years agoYou cannot use SAMEPERIODLASTYEAR etc for custom calendars. But you should be able to do this via the columns in your Dates table.
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