Overview I recently wrote about emotional vs. accurate comparisons and several people questioned whether the word “emotional” was appropriate. (Several people questioned my assertions, too. You can read their comments here.) For this discussion I’ll use the term “engagement” in place of “emotion” and we’ll look into the challenges of creating public-facing visualizations that attract [...]
Overview I've conducted a lot of Tableau training classes and have found three things that confuse students simply because of the nomenclature Tableau uses for these things. These three terms are Headers Table Calculations Quick Filters Headers Consider the chart below that has both mark labels and an axis along the bottom. Figure 1 [...]
Overview Figure 1 – Bar charts are better than pie charts are better than donut charts. Most of the time. As anyone who has read this blog knows I’m definitely a “bar charts are better than pie charts are better than donut charts” kind of guy, at least when you need to [...]
Overview I’ll admit that I have a problem with treemaps in Tableau, but it's not because the chart type is in some way inferior. My problem is with how people use - and misuse - treemaps. Here’s a good example of misuse. Instead of displaying something straightforward that looks like this… Figure 1 -- The humble, [...]
Overview So, here's why until recently I've recommended that my clients avoid large dashboards. We've been working on a collection of killer dashboards and we're all set to make a big presentation to the CEO. This thing is so high profile we get to use the executive conference room with the super bright projector and [...]
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Showing Differences between Periods and Statistical Significance in Tableau Overview Addressing this scenario has been the most popular request I’ve received over the past year. Here’s a summary what my clients and students have asked: How do I show the change in Sales, Percentage of Promoters, Number of Visits, etc., between this month / quarter [...]
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“With great power comes great responsibility” -- Voltaire -- Benjamin Parker (Uncle Ben from Spiderman) Overview Recently both Ryan Sleeper and Andy Kriebel blogged about donut charts in Tableau. Figure 1 -- Donut chart courtesy of Andy Kriebel While both of them cautioned about where, when, and how best to use them, I [...]
