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Folding Array with Index

Level 1
Folding Array with Index
The fold array step in Prep Recipe is very useful. I would like to create a new column to keep track of the folded array element, basically to store the array index in a new column. How do I do it in code?
1 Reply
Level 3

I would create a Python (or R) recipe to do that... I think that with the Formula action you can only interact with columns (in each row) but not with rows 😞