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DAX INDEX Function Returns Null
Hi all, I'm working through this video tutorial from SQLBI on Window Functions - I'm at 16:52 in the video. I'm trying to get the base year sales to compare to all subsequent years, only that my ...
This is a bit of a lazy reply as I've not looked at the video but your Year looks like it's formatted as a number (with the comma) rather than a date component could that be it?