Introduction Sigma’s new features keep coming and they don’t stop coming and this past week was no different. We got two powerhouse features that eliminate SO MUCH EFFORT from maintaining beautiful workbooks: Navigation Elements and Custom headers. Today, I wanted to focus on those, since I have a feeling we’re all going to be adding […]
2025 Week 39 | Sigma: Can you Navigate? Read More »
Introduction Today at work I started to create a two-level hierarchy bar chart, but then I realized one of the measures I was using was a MAX() value for the 2nd tier, but I wanted to sum those for the top tier. So I needed to create a drill down instead of a hierarchy. In
#WOW2025 | Week 39 | Can you create a drill-down? Read More »
Can you create a data request and approval app? Introduction This week, we’re proving Sigma isn’t just for crunching numbers – it’s an all-weather, cross-functional tool. The challenge is to step outside pure analytics and build a lightweight, system for managing notes and reminders. The goal isn’t to replace your task app. It’s to show
2025 Week 38 | Sigma: Can You Make Some S’notes? Read More »
Introduction Sometime ago, I came across this post by Sarah Pallett ( X | LinkedIn ) introducing the idea of L-Shaped bar charts… … and I thought it would make a perfect WOW challenge (as it gave me an excuse to build a version myself). Click to open in Tableau Public Requirements Size 1000 x
#WOW2025 | Week 38 | Can you build an L-Shaped bar chart? Read More »
Introduction Welcome to Week 37 of 2025! Numbers tell the story, but sometimes a picture says it faster. This week we’re charging up our Sigma skills by adding images into table cells and playing with maps. You’ll learn how to make your tables more visual, show dynamic elements like battery levels or icons, and bring
2025 Week 37 | Sigma : Can you picture this in your data? Read More »
Introduction In this challenge, we are looking to add a bar with custom logic to a bar chart. Sometimes when I’m working with a customer, they want a baseline, total, or reference point to be included in the column of a column chart or the row of a table. If it’s just a matter of
2025 Week 37 | Power BI: Adding a baseline bar in a bar chart Read More »
Introduction Welcome to Week 36 of 2025! This week, we’re going to learn how to use a new feature of Sigma: Sparklines! We’re going to use sparklines to enhance sales data over time and illuminate some potential data issues. Then, we’ll create a mini Data App that allows end users to flag rows as with
2025 Week 36 | Sigma: Can you spark a conversation? Read More »
Introduction This week’s challenge is brought to you by yet another Guest Coach and active member of the Tableau and Workout Wednesday communities. Presenting, Giulio D’Errico! Giulio proposed this challenge to me several weeks ago and we have worked together to build out his idea. This challenge applies some great fundamental skills, and then has
#WOW2025 | Week 36 | Can You Build a Color-Coded Filter? Read More »
Introduction This weeks challenge is an extension of week 21, whereby we will create a timeseries smoothing over lines rather than scatter points. The challenge here is to emphasize the difference between two populations, whilst having the details visible, but not prominent – getting the opacity/strokedash (for overlapping lines) and colour contrast (for perceptibility) right
2025 Week 36 | Power BI: Area between timeseries smoothing Read More »
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
2025 Week 35 | Grouped Field Parameters in a Matrix Read More »
