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Enhancing your data team with ours
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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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.
Tue 14 Jul 2026 | Kainan Hassan
Hooking the Brain in 200 Milliseconds: The Power of Pre-Attentive Attributes
Did you know that before your conscious mind even registers a chart, your brain has already processed its key visual features?
Within 200 to 250 milliseconds, visual information is filtered subconsciously through what psychologists call pre-attentive processing
Tue 21 Jul 2026 | Ken Ueda Burgess
Pivoting Tables: Row to Columns (the weird one)
Use case: A column in your table contains multiple items, but you want those items to be in their own columns.
What do we use? A Row to Columns pivot.
*Also known as "Cross Tab" in Alteryx or "Pivot" in PowerQuery
Mon 20 Jul 2026 | Carla Villafana
What I Have Learned From Our Client Projects
A little over halfway through training and my cohort and I have completed a few external client projects. They have been stressful yet exciting because we’ve been applying what we’ve learned in training to help solve real-world problems
Fri 17 Jul 2026 | Bianca Beingolea-Joseph
How to Build a Zone-based/Spatial Heat Map
I'm not a huge soccer fan and haven't been following the World Cup all that closely, but I'm always down for a fun data analysis project
Tue 14 Jul 2026 | Dylan Serino
Why Database Structure Is the Foundation of Good Data Work
Introduction
In my first week at the Data School, we talked about the topic of database structure and organization. As we were learning more, I thought this was such a foundational concept to understand
Mon 20 Jul 2026 | Stephanie Pichardo
Drilling Down in Tableau: Three Ways to go about it
A common roadblock for Tableau builders is learning how to give end-users the ability to increase the level of detail in a dashboard based on what they're interested in
Mon 20 Jul 2026 | Eden Thiede-Palmer
Handling your Logs
After fellow DES7 member, Joe O'Connor's introductory blog on logging, I thought it'd be worth adding to his work, and going into one of loggings most useful tools.
Handlers.
While the logger in python creates the records, you can utilise handlers to decide where those logs go
Mon 20 Jul 2026 | Davy Ly
Views vs. Materialized Views
They sound almost identical, but choosing between a view and a materialized view is a critical decision in data engineering. Depending on your use-case, you have to weigh data freshness against query speed and compute resources to decide exactly which one fits your workflow
Fri 10 Jul 2026 | Joss Lazenby
Creating your first repository in Git
This is a quick guide to your first git repo. After installing git (and optionally GitHub desktop), you can follow these steps to learn the basics of version control
Mon 20 Jul 2026 | Ping HIll
Makeover Monday: Periodic Table of AI - Building a Custom Grid in Tableau
I recently challenged myself to create a Makeover Monday using a dataset called “The Periodic Table of AI,” which provides 14 categories of AI companies, including Foundation Models, Infrastructure, Healthcare, etc
Mon 20 Jul 2026 | Jorge Sempere
Understanding Dashboard Actions in Tableau
Interactive dashboards are one of Tableau’s biggest strengths. Instead of creating multiple static visuals to answer every possible question, dashboard actions allow users to interact directly with the data and explore insights on their own. This creates a more personalized and engaging experience
Fri 10 Jul 2026 | Marcus Rocco
The Data Journey: Where Data Begins
Data is everywhere.
Whether you are shopping online, checking the weather, tracking your fitness goals, or watching sports, you interact with data every day
Want to know more?
Whether you're planning for the future or you have a project that needs to get started next week our team are more than happy to help.
Complete our contact form with your name, company email and a brief message and we will get back to you as soon as we can.