Counting Customers Who Bought The Same Products –¬†Vizible Difference

I wrote previously a post on how to count customers who bought both A and B. Today someone asked how to count those who all bought the same N items. N>=2. He specifically requires a multiple choice filter so that people can select some items and only those who bought them all are showing. (All right, the problem is paraphrased.)

In the previous post, the purpose is to map out the tallies for all possible pairs of products and to study the correlation between products. Here we only need to show the customers who bought one set of products.


Vizible Difference: Counting Customers Who Bought The Same Products

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Eric Axelrod

President & Chief Architect at DIGR
I have helped companies bring new data driven products to market, drive efficiency out of their supply chain, execute strategic plans, and drive top line and bottom line growth by enabling every business function with actionable analytics. I can transform a business which is lacking critical insight into an agile, strategic, data driven organization.

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