2024 Week 09 – Formulate Select and Navigate Dashboard

Introduction Almost the end of February! Time flies fast! – And another WoW Challenge is here!!  This week is based on the same dataset and maps we had as a challenge during Week 4! The changes are adding one KPI, and one top 5 chart to the existing dashboard. Then add an Interaction (not binding) …

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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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2025 Week 35 | Grouped Field Parameters in a Matrix

Introduction Welcome to Week 35 of 2025!  When building reports in Power BI, one of the most common requests I hear from users is: “Can I explore different KPIs side by side without creating dozens of visuals?” The good news: yes, you can! And it’s cleaner than ever with field parameters grouped by category. In …

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2025 Week 35 | Sigma: Can You Improve Your Data Quality?

Introduction We’ve had a few weeks of beautiful data apps on Workout Wednesday, but today I want to focus on something that will make your data apps even cleaner, and that’s the quality of your data! I love the ‘Transpose’ feature that Sigma added a few releases ago, and it enables quality control (QC) checks, alerting, …

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#WOW2025 | Week 35 | Can You Visualize Yearly Rank Changes in Sub-Category Sales?

Introduction I’ve recently been running several hands-on Tableau workshops for beginner- to intermediate-level users across different prefectures. In one of those sessions, a participant asked how to visualize both ranking changes and differences in sales at the same time. This week’s challenge was inspired by that question. It might be a bit tricky, but I …

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2025 Week 34 | Sigma: Let’s Request Some Data Changes

Can you create a data request and approval app? Introduction This week, we’re moving beyond analysis and into data apps. We’re going to solve one of the most persistent problems in any data-driven organization: data quality. The challenge isn’t just to clean data. It’s to build a complete, self-service system that empowers your business users …

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#WOW2025 | Week 34 | Can you breakdown YoY profit into its drivers?

Introduction I’ve been playing around with Tableau MCP and something called “Vibe Analytics” lately (look them up if you’re curious!).This week’s challenge was inspired by working with a generative AI to analyze the Sample Superstore dataset, exploring ways to break down profit into its key drivers and compare year-over-year performance. Have fun building this waterfall …

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