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 [...]
[gview file="https://datarevelations.com/wp-content/uploads/2015/07/DataRevelations_Vol1Number32.pdf" height="1900px" width="700px" save="1"]
[gview file="https://datarevelations.com/wp-content/uploads/2015/06/DRNewsletter_V1_22.pdf" height="1900px" width="700px" save="1"]
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 [...]
[gview file="https://datarevelations.com/wp-content/uploads/2015/05/DR_Newsletter_1_11.pdf" height="2750px" width="700px" save="1"]
Much thanks to Susan Ferrari for exposing me to the concept of Net Promoter Score, Susan Baier for encouraging me to blog about it, and Helen Lindsey for providing anonymized NPS data. Overview My wife and I recently went out to a restaurant to celebrate our anniversary. Accompanying the check was a survey card with [...]
Overview Tableau 9.0 includes a built-in data prepping tool that makes reshaping survey data so it plays nicely with Tableau a much smoother experience than using the Tableau Excel add-in. While this new feature won’t replace by trusty copy of Alteryx (for reasons that I explain later in this post) there are many occasions where [...]
Overview Note: I based my Tableau Conference 2015 presentation on this blog post. You can download a PDF of the presentation and the Tableau packaged workbook. Click here to see a video of the presentation. Earlier this year one of my clients was updating a collection of survey data dashboards and they wanted to revisit the [...]
