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Our consultants come armed with both technical and soft skills to support you to make the most of your data.
The Data School has been paramount to our success at JLL. It has allowed us to bring in highly skilled Tableau and Alteryx consultants. It saves considerable time trying to recruit contractors as I know their skills and training are to the highest standard. Over the past 5 years my team has developed analytical insights which have generated multi million dollar savings of which a considerable amount can be attributed to the Data School consultants we have had working on projects.
Paul Chapman, Global Director of Performance Management, BI and Innovation at JLL
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What our consultants are working on
We believe that sharing knowledge and expertise is key to driving innovation and growth in the data community. That's why we're excited to share our latest insights, tutorials, and industry trends with you through this blog.
Written by our team of experienced data consultants, these posts aim to solidify their own learning while giving back to the community.
Sun 22 Mar 2026 | Vivien Lee
WriteBackExtreme
So you're using the WriteBackExtreme Infotopics extension and you want to know how it works? Welcome to my WriteBack Blog! We recently did a client project for Apps for Tableau involving their extensions and this is how I used it in my dashboard. First things first, let's talk about what it does
Tue 24 Mar 2026 | Vivek Patel
Pokémon Image Generator using API’s in Alteryx
Something that fascinated me last year was playing this game called Pokémon Trading Card Game Pocket. I loved seeing all the rare and shiny cards, specifically EX and rare ones
Wed 28 Jan 2026 | Tomo Mensendiek
Replace Reference Trick in Tableau
This blog is about how to tackle a certain type of problem you might encounter when replacing data sources in Tableau
Tue 24 Mar 2026 | Harry Singler
Building a Premier League Stats Dashboard in Tableau (2/2)
After writing about the first version of this dashboard, I wanted to do a bit more work on the part that matters most to me in data visualisation: making the interesting stuff as easy as possible to see. To me, good dashboard design is about reducing the amount of effort the user has to put in
Fri 20 Mar 2026 | Holly Andersen
Understanding Tiles in Tableau Prep
When working with data in Tableau Prep, you might want to divide a continuous measure into groups of the same size for analysis (quartiles, deciles etc.) This is where tiles come in.
Tiles allow you to divide a dataset into a specified number of evenly distributed groups based on a numeric field
Tue 24 Mar 2026 | Tobin Hardy
SQL - Query Function Order Mnemonic
While many aspects of life give us the freedom to choose the order in which we complete a task, with little to no effect on the outcome, some tasks demand us to complete its steps in a certain order. If you think otherwise, I dare you to bake a cake before breaking the eggs
Thu 19 Mar 2026 | Vivien Lee
Power BI Variables
We've recently learnt about VAR in Power BI which is used to create a variable.
Variables let you create/store a calculation or a value and you can reuse it later in the same formula
Tue 24 Mar 2026 | Nicola Huetz
Multi Field Formulas in Alteryx
Multi field formulas in Alteryx
Tue 24 Mar 2026 | Laura Brylka
Tableau Container Tetris: How to Build Dashboards Without Losing Your Mind
Everyone creating a Dashboard in Tableau probably knows this struggle: You pulled a few sheets into your dashboard, took the time to carefully resize everything, put everything into place
Thu 19 Mar 2026 | Nicola Huetz
Pivoting Data in Alteryx
How to use the Transpose tool and the Cross Tab tool.
Wed 11 Mar 2026 | Vivien Lee
Alteryx Features
The first day of Alteryx felt a bit like the first signs of spring. Lots of DS-ers have been telling us how great it is and now the clouds have parted and the sun is shining and we get to understand the hype
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