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Given a log(dataframe) containing the purchase records of users, how can i compute the unique count of goods purchased by a certain user?(Supposing that one can purchase a certain good multiple times) Would you be so kind to give me some demo? Much thanks!
The text was updated successfully, but these errors were encountered:
@tovbinm Oh,I was wondering if there was any build-in support? I want to use with the window operator?I found sum aggregator in the code, but failed to find the count(distinct) operator?
Given a log(dataframe) containing the purchase records of users, how can i compute the unique count of goods purchased by a certain user?(Supposing that one can purchase a certain good multiple times) Would you be so kind to give me some demo? Much thanks!
The text was updated successfully, but these errors were encountered: