Re: Beastmode to calculate column based on minimum date case
Could you provide a small sample of your data set? I think it might help to understand how the data is structured and what your expected calculation is.
Also, it looks like you are trying to track sales (or something similar) for the first month of a customer. I would probably suggest engineering at least one field in your data set so that you have an `initial_purchase_date` for each customer_id
I think I could help more if you are able to share some of your data.
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