I have a formula checking previous row value if equal extracting from previous value of row other vise doing another calculation.
how can I do , I tried with index but received error.
formula on column Y
@swordm - pls try this Power Query Custom Column measure.
If this post helps to find solution would be happy if you could mark my post as a solution and give it a thumbs up
Linkedin - https://www.linkedin.com/in/manoj-nair-%E2%98%81-344666104/
Hi Tank you,
Partially works but when I try to substract from pervious value at saome column gives error any idea ?
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