Over on the Tableau forums Alexander Mou answered a thread on generating a count from sparse data, and the solution he came up with is found in his blog post Dynamic Histogram Over Time. In this post I’m diving into some details of what Alexander did, coming up with a couple of alternative remixes of that solution, and describing a couple of different ways to effectively partition a table calculation via another table calculation. Read on for details!
Counting from Nothing – A Double Remix (or, Partitioning via Table Calculations v2)
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