Introduction Welcome to Week 45 of 2025! This week we have two guest authors: Nick Haylund and Thomas Larsen! A lot of data folks have heard about the Waffle House Index being used as a disaster indicator for FEMA. Linked there is one of the first, and quite comprehensive, Medium articles we could find on […]
2025 Week 45 | Sigma : The Waffle House Index Read More »
Introduction Some time ago the brilliant Sam Parsons, developed a “Satellite” or “Spiral” Chart as an alternative way to visualise a donut that exceeded 100%.https://public.tableau.com/app/profile/sparsonsdataviz/viz/SpiralingSatelliteCharts/SpiralingSatelliteCharts. As with many things Sam comes up with, I always want to see if I can build it, and once again it’s a great excuse for a #WOW challenge. Back
#WOW2025 | Week 44 | Can you build a satellite chart to represent values exceeding 100%? Read More »
Introduction In this week’s challenge we are going to try to create a chart on rising sea levels where the y-scale of mm will display on screen in physical mm. You can try this with whichever custom visual you like, but the example laid out below will be for the utilisation of the HTML Content
2025 Week 44 | Power BI: Utilising HTML to create actual scale charts Read More »
Introduction Welcome to Week 44 of 2025! This week, we’re going to create a custom calendar visualization using a pivot table. You can find a more detailed tutorial in the Sigma Community. In addition to this tutorial, we’re going to create a form to allow users to input new events, as well as create some
2025 Week 44 | Sigma: Can you book it? Read More »
Introduction Welcome to Week 43 of 2025! This visual was built to make change visible. The goal was not just to show numbers, but to tell a quick, visual story of how performance moves from one point to another. Each line represents a small comparison between two dates or periods. When the line is green,
2025 Week 43 | Turning Numbers into a Story of Movement Read More »
Introduction This week challenge features actions that allow users to update multiple rows in an input table at once using formulas / filters. Let’s get to it! Need access to Sigma? Click Here to Sign Up Link to WOW Sigma Instance Youtube Click here to Watch: How to Register & Get Started with Sigma WoW
2025 Week 43 | Sigma: Can you Update Multiple Rows? Read More »
Introduction A huge thank you to Valerija Kirjackaja for her continued support as guest coach. This week I had an idea that I didn’t have time to test and implement, due to other life priorities, so I feel very grateful to be able to lean on the people around me for support. This feels like
#WOW2025 | Week 43 | Can you build a ranked heatmap tile? Read More »
Introduction Happy Workout Wednesday, data fam! Week 42, we’re taking a step behind the visuals—because every great report deserves a great Info Page! Your report might tell the what, but your info page explains the why—and that’s where real understanding begins. No fancy tools, no measures — just thoughtful design and storytelling. Your challenge: Build an
2025 Week 42 | Power BI: Info page for reports ℹ️ Read More »
Introduction Welcome to Week 42 of 2025! Tired of dashboards firing off queries with every filter change? This week’s challenge is all about control. You’ll learn how to use controls, actions, and modals to pause live queries, open a filter popup for selections, and resume queries only after users make their final choices. It’s a
2025 Week 42 | Sigma : Filter Freeze Read More »
Introduction I recently received a business request with the following requirements: The user wants to easily change the dimension that colors the charts on a dashboard. The list of dimensions might be added or removed in the future, so the solution needs to be simple and easy to maintain. This week’s challenge is inspired by
#WOW2025 | Week 42 | Dynamic Dimension Coloring Read More »
