2025

2025 Week 45 | Power BI: Create dynamic annotations

Power BI, Workout Wednesday / Diana Ackermann

Introduction Welcome back to Workout Wednesday! This week we’re creating a dynamic annotation slicer that highlights specific data points on a time series chart. Imagine you’re presenting monthly revenue trends to stakeholders who want to quickly assess performance against the typical baseline. Instead of manually pointing out values, you create an interactive chart where users […]

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2025 Week 45 | Sigma : The Waffle House Index

Sigma, Workout Wednesday / Jess Batten

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

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#WOW2025 | Week 44 | Can you build a satellite chart to represent values exceeding 100%?

Tableau, Workout Wednesday / Donna Coles

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

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2025 Week 44 | Power BI: Utilising HTML to create actual scale charts

Power BI, Workout Wednesday / Kerry Kolosko

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

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2025 Week 44 | Sigma: Can you book it?

Sigma, Workout Wednesday / Ashley Bennett

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

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2025 Week 43 | Turning Numbers into a Story of Movement

Power BI, Workout Wednesday / Andrei Khaidarov

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,

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2025 Week 43 | Sigma: Can you Update Multiple Rows?

Sigma, Workout Wednesday / Eric Heidbreder

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

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#WOW2025 | Week 43 | Can you build a ranked heatmap tile?

community, Tableau, Workout Wednesday / Erica Hughes

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

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2025 Week 42 | Power BI: Info page for reports ℹ️

Power BI, Workout Wednesday / Kathrin Borchert

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

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2025 Week 42 | Sigma : Filter Freeze