Introduction This week, I’m introducing the idea of taking bathymetry or contour lines on maps and placing the lines on heat maps. These lines come from identifying the elevation (for contour lines) or depth of water (for bathymetry lines) and creating a map using those values. Here is an example of a contour map from …
2023 Week 20: Can you build a heat map with bathymetry lines? Read More
Introduction Welcome to community month for 2023. Each year since 2018 we’ve hosted a community month–where we invite different people from the Tableau Community. This year I wanted to invite someone who has been a prolific supporter of the data visualization community but hasn’t been recognized by Tableau as an Ambassador or Visionary for his …
2023 Week 14: How short are baseball games in 2023? Read More
Introduction The theme for February 2023 has been alternatives. This week I present an alternative (and trust me, there are many other alternatives) to my least favorite chart: the side-by-side bar chart. The reason this chart is so difficult for me is because it takes up a lot of space and when I am doing …
2023 Week 8: Can you build a comet chart as an alternative to a side-by-side bar chart? Read More
NPS Survey data can be tricky to wrangle and work with. Check out this week’s Tableau #WorkoutWednesday and see if you can do it!
Introduction As Donna mentioned last week, this month we’re focusing on alternative chart types. This jitterplot is a fun one inspired by one of Steve Wexler‘s charts in The Big Book of Dashboards. I like jitterplots because they allow you to easily see how an individual compares to the rest of the group via distribution, …
#WOW2023 | Week 6 | Can you create a normalized jitterplot? Read More
Introduction Hi everybody. It’s now my turn to set my first challenge as part of the official #WOW crew – eeek!. For those of you who don’t know me, I’ve been completing these challenges since the program was launched in 2017, and I blog solution guides on my personal blog at https://donnacoles.home.blog/. I’ve been approached …
Introduction This is my last challenge of the year and what better way to round things off than with everyone’s favourite chart – the bar chart – but let’s make it “sexy”. Bar charts may be simple but when you combine them with some interactive highlighting and sorting you can create something quite dynamic which …
#WOW2022 | Week 50 | Interactive Proportional Brushing Read More
Introduction This is probably my favorite challenge of the year. So i’m saving it for near the end. You’ll need level-of-detail and table calculations to solve this one. For this challenge you need to calculate customer lifeftime value (in sales). While their are many ways to do this. We are going to keep this as …
2022 – WEEK 44: What is the lifetime value of customers? Read More
Watch Introduction Hi Workout Wednesday friends! I’m back, just in time for the Tableau 2022.3 release, which means we’ll be exploring Dynamic Zone Visibility. This new feature allows you to use calculations and logic to dynamically show and hide dashboard elements (pretty powerful). So in this challenge, you’ll get some hands on exposure to this …
#WOW2022 | Week 43 | Selected Subcategory Influence Read More
Introduction Hello there, Workout Wednesday #DataFam! This week’s challenge is all about two of my passions growing up: baseball and physics. This past baseball season, New York Yankees outfielder Aaron Judge broke the 61 year old American League record for home runs in a single season set by Roger Maris in 1961 – Judge concluded …
#WOW2022 | Week 42 | Can you use Tableau to estimate Aaron Judge’s home run trajectories? Read More
