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Will you let me have your babies? 😍
what
Didn't the array function really bog down the file
Yes and that makes it even more fun
Why?
Subject Expert
I don’t think that was what CO1 asked - but for 2D arrays, you can use =FILTER(FILTER())
As for why to use it - it is computationally better. I don’t (generally) use it because it’s harder for other people to audit (and compatibility issues that comes with it)
What version of Excel do you use? Mine doesn’t have the FILTER() function
This is a terrible idea
Subject Expert
I'm sorry, buy where in the link does it say =SUM(FILTER()) is slower?
Couldn't find, and tbh I'd be impressed if it was indeed slower - =SUMIFS() is O(n²) + overhead while =FILTER() is O(n.logn) + smaller overhead
Hate to break it to you - in the beginning a very good idea. Array search functions really mess up calc time.
Good use of hack for smaller tabels 100-300k data tabels otherwise a sub-par idea at best.
What's your solution for 2D sumifs? e.g. sum if the row header = x and if the Column header = y, for about 1000 lines and 50 columns. Multiplied by about 5000 cells to calculate? The sumif doesn't appear to cache it in a way that stores the entire 50,000 cell input reference efficiently. Or does it?
I’ll have to try it.