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Comparing Each Against Each Other: The No-SQL Cross Product
Here’s a problem that has been bouncing around in my brain since I first used Tableau. How do I compare the results of every permutation of one item vs. another? Here’s an example using Superstore...
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Counting Pairwise Similar Votes in Tableau
This is another post inspired by a Tableau forums thread. Given a set of survey data that is in a “tall” format with a record for each voter & item (survey question) with their vote the goal is to...
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At the Level – Unlocking the Mystery Part 2: Rank Functions
Many moons ago I did a first post exploring the non-obvious logic of the most secretive of Tableau table calculation configuration options: At the Level. A few weeks ago I was inspired by a question...
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When 576 = 567 = 528 = 456: Counting Marks
Tableau’s data densification is like…nothing else I’ve ever used. It’s a feature that is totally brilliant when it “just works” like automatically building out a running sum on sparse data and...
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