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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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Community Impact 2024
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Europe
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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.
Wed 29 Jul 2026 | Stephanie Pichardo
Alteryx First, Tableau Second: Building Smarter Maps
If you have a relatively clean dataset and simply plan to make a map, you might be surprised at the suggestion to use Alteryx to further expand your spatial assets. The reality is thatAlteryx stands out across all tools for its ability to handle complexity in spatial data
Wed 29 Jul 2026 | Stephanie Pichardo
The Barbell Chart: Two Dots, One Story
The barbell/dumbbell chart is an excellent way to show a direct comparison between two measures: either two different measures within the same category, or the same measure across two points in time." . Picture two dots connected by a line, like a barbell at the gym
Tue 28 Jul 2026 | Nika-Kare Pierre-White
Understanding the Tableau Ecosystem
When you think of Tableau, your first thought may be Tableau Desktop or Public, interactive dashboards and visualisations
Fri 24 Jul 2026 | Joe O'Connor
Setting Up Your Coding Project: .venv, .env, and .gitignore
When you first start coding, it’s easy to get into the habit of creating a script on your Desktop, running pip install for your required libraries, and hardcoding credentials into the file.
In reality, that approach quickly falls apart
Mon 27 Jul 2026 | Gerard Najarro
An Intro to Tableau Prep
A few weeks ago I had the pleasure of leading a section of Learning What the Data School Learns. My topic was on Tableau Prep. I had a number of people mention how much they enjoyed the lesson and thought it would be great to give a rundown here
Mon 27 Jul 2026 | Ping HIll
The Complete Guide to Spatial Calculations in Tableau
I recently had the task of teaching my cohort spatial calculations in Tableau. I had never used any of these calculations before, so it was a learning experience for me as well.
When people think of spatial data in Tableau, they mainly think of maps and plotting longitude and latitude
Mon 27 Jul 2026 | Ollie Ross Russell
10 Tableau shortcuts that'll make your life easier
Shortcuts can save a lot of time when working in Tableau, cutting down on repetitive dragging and clicking so you can focus on the actual analysis
Mon 27 Jul 2026 | Helena Reichenvater
Date Functions in Tableau
A quick guide to understanding some of the most important functions in Tableau.
DATEADD
DATEADD(date_part, interval, date)
* Can be used to shift an existing dataset timeframe forward or backwards.
* Date part: year, month, day, hour, etc
Mon 27 Jul 2026 | Sean Fei
Dynamic Zone Visibility: Swapping Chart Views
When I first started learning Tableau, one of the few things I wanted to implement into my dashboards early on was chart swapping. Unfortunately at the time, this was out of my skillset
Mon 27 Jul 2026 | Ping HIll
Hide Filters and Parameters with Dynamic Zone Visibility
Filter panes and parameters take up valuable space in dashboards, especially when they are not relevant to your current view. Last week we were taught dynamic zone visibility, which addresses this issue. It provides a toggle to hide or show different views based on the user's selection
Mon 27 Jul 2026 | Hayfaa Yaser Qays Al-Sheikh Hamid
Blue Pill or Green Pill?
If you've spent any time in Tableau, you've probably noticed those little blue and green pills dotted around your workbook. At first glance, they don't seem particularly important, they're just colours, right?
Not quite
Mon 27 Jul 2026 | Gerard Najarro
Rebuilding my Avocado Dashboard
Another week, another revamp of an old dashboard. I sat down to update my U.S. Avocado Market dashboard this time, and like last week, I figured I was just cleaning it up. But it turned into something bigger
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