2023 Week 01 | Power BI: Use DAX to control visual display

Introduction Welcome to Workout Wednesday 2023, Power BI edition! If this is your first time joining us, we’re happy you’re here. The goal of this initiative is to help you build your Power BI skills. We provide the data and the instructions, and you build the visuals! We hope you have fun and learn a new

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2026 Week 10 | Power BI: Dynamic visibility of visuals

Introduction This challenge focuses on a powerful Power BI technique: conditional visibility using overlapping visuals and dynamic transparency. Instead of hiding visuals entirely, you’ll learn to control visibility through background color transparency – making elements appear and disappear based on user selections. Based on the selection of countries, we are looking at differences in foreign

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#WOW2026 | Week 9 | Can you build a parallel coordinates chart?

Introduction This week we’re going to build out a parallel coordinates chart – a type of visualisation used to display and compare multiple numerical measures.  My daughter, Mia, is an academy level footballer and wears a stats vest in matches and training to capture lots of data about her performance. I’d been meaning to try

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2026 Week 07 | Sigma: Building a Custom Plugin with AI

Introduction This week’s Workout Wednesday challenge was Numbers of Different Magnitudes, but the bigger lesson for me was this: You can build custom analytical experiences in Sigma using AI. For this submission, I used AI-assisted coding to create a custom Sigma plugin (React + D3) that goes beyond standard chart behavior. It combines a magnitude view

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#WOW2026 | Week 7 | Exploring Table Calcs vs LODs

Introduction Hello everyone, I’m very happy to be back for another year of Workout Wednesday! For my first challenge, I wanted to focus on something that every Tableau learner will encouter: Table Calculations and Level of Detail (LOD) Calculations, and what is the difference between them? Well, sometimes only one of these types of calculations

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