table calculations

Week 48: Can you build a Bar Chart that automatically combines small contributions?

How much information have you retained from Tableau Conference 2019?  Are you still watching session videos (like I am?).  This challenge is an homage to the amazing conference from this year. The challenge comes from something I encountered in a recent work situation.  The end-user wanted to be able to automatically group together small contributing

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Week 38: Can you build a sales comparison chart with performance indicators?

This week I’m tackling a topic that nearly everyone has been asked – visualizing good/bad as performance indicators that are red or green.  At least here in the western world, the busy executive tends to think about things in terms of traffic lights.  So this week your task is to create something that satisfies their

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2019 Week 10: How Has Our Profit Ratio Changed Nationally?

This week’s challenge is plucked directly from #IronQuest.  If you’re not aware of what #IronQuest is, it’s a monthly challenge during the off season of Tableau Public’s Iron Viz feeder contest.  It’s run by Sarah Bartlett and each month a different theme is chosen.  Participants are allowed to submit for feedback (the idea is to

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