Erica Hughes

#WOW2023 | Week 3 | Calculating Year-On-Year Percentage Change

Introduction This week’s challenge is one I’ve been waiting to share with you. It has a bit of everything, so I hope you enjoy it! The goal is to visualize the Sales in a given year for different countries in Europe, with an indicator in the tooltip to identify whether this value has increased or …

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#WOW2022 | Week 50 | Interactive Proportional Brushing

Introduction This is my last challenge of the year and what better way to round things off than with everyone’s favourite chart – the bar chart – but let’s make it “sexy”. Bar charts may be simple but when you combine them with some interactive highlighting and sorting you can create something quite dynamic which …

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#WOW2022 | Week 45 | Average Patient Waittimes

Introduction This week’s challenge was derived from a project that I helped some colleagues with. My colleagues were working on a client project for a travel company. They wanted to be able to compare a selected “Event Date” with an average travel day. The aim was to see if and how travel patterns might be …

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#WOW2022 | Week 40 | Applying Accessibility Principles to Data Visualization

Introduction October is Community Month here at Workout Wednesday. This means that each challenge will be brought to you by a guest coach from our wonderful data community Kicking things off this week, we have a challenge by Collin Smith (@collinalldata).  “Have you ever tried to incorporate accessibility into a Tableau dashboard? Incorporating accessibility into our …

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#WOW2022 | Week 35 | Conditional Table Formatting with Dynamic Headers

Introduction This week’s challenge is brought to you by a guest coach, my colleague Valerija Kirjackaja, who came across this problem at work and created a beautiful solution for it. How often do you get asked to re-create Excel tables in Tableau? On a scale from 1 to ‘I am never doing this again’ – …

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#WOW2022 | Week 30 | Dynamic Dates in a Heatmap

Introduction I’ve been wanting to create this challenge for some time, so I’m really glad to finally be releasing it. This challenge was inspired by some work I did last year where a client wanted to be able to visualize the number of hours that their team had spent working on different projects. What made …

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#WOW2022 | Week 25 | Double drill-down with Set Actions

Introduction My second favourite challenge in Tableau, after Table Calculations, is anything with Set Actions. Some of you may have already used these in previous challenges this year, but this week I am dedicating it to this wonderful (and sometimes tricky) Tableau functionality. Warning: this is not a beginner-friendly challenge! The problem I wanted to …

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