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Our consultants come armed with both technical and soft skills to support you to make the most of your data.
Photo of Paul Chapman, Global Director of Performance Management, BI and Innovation at JLL
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
Partner of the Year$ from Alteryx
Alteryx
Partner of the Year
EMEA
Community Impact 2024$ from Tableau
Tableau
Community Impact 2024
EMEA ESMB
Data for Good Champion$ from DataIQ
DataIQ
Data for Good Champion
Finalist
Best Data Academy or Skills Development$ from DataIQ
DataIQ
Best Data Academy or Skills Development
Finalist
Partner of the Year$ from Alteryx
Alteryx
Partner of the Year
Europe
Data for Good Champion$ from DataIQ
DataIQ
Data for Good Champion
Champion
Data for Good 2021$ from Tableau
Tableau
Data for Good 2021
EMEA

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.

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Thu 16 Oct 2025 | Francesca Plaskett
10 Things About Tableau I Wish Someone Had Told Me A Long Time Ago
Here are 10 quick tricks that I learnt in my introduction to Tableau at the Data School.
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Fri 17 Oct 2025 | Kib Cheung
What does data granularity mean?
The concept of data granularity makes perfect sense… but as data newbie it can be a little confusing when we start talking about “high” vs “low” granularity, or “high” vs “low level of granularity.”...
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Mon 01 Sep 2025 | Maysa Falchero
Anspruch vs. Realität
Ich wollte schon immer, dass meine Arbeit genau so aussieht, wie ich sie im Kopf habe, aber sobald ich unter Zeitdruck stehe (wie bei unseren Freitags-, Kundenprojekten, oder zum Beispiel Makeover Mondays), klafft meine Vorstellung oft von der Realität auseinander
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Fri 17 Oct 2025 | Aisha Senkubuge
Exploratory vs Explanatory Data Visualisation
This week of training highlighted that not all data communication is the same. As consultants, our job is not only to analyse data but to help clients make sense of it
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Fri 17 Oct 2025 | Ramin Derakhshesh
Discovering That My Uber Dataset Was Not Real
This blog is about starting to work with an Uber dataset as an internal project. I explain how I started my analysis, and how I figured it out that the data was actually fake
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Fri 17 Oct 2025 | Maysa Falchero
This Week's Client Project: U.S. Flight Data in Tableau
In this blog I would like to write about how this week's client project went. For those who don’t know what that is, each week we work with a different client who brings us a specific case. We then have three days to analyse the data, work as a team, and deliver our results
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Wed 08 Oct 2025 | Joss Lazenby
Workout Wednesday 2025 Week 19: Advanced Dumbell Charts in PowerBI
This week, I tackled a PowerBI Workout Wednesday which utilised a dumbell chart with 3 points on the line. PowerBI doesn't support dumbell charts natively, and we didn't use any custom visuals to achieve this, so how was this possible? I started by loading in our data using the data
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Tue 14 Oct 2025 | Robin Jones
The Blue Pill or the Green Pill? Unlocking the Matrix of Your Data.
For any analyst using Tableau, mastering the platform’s foundational concepts is the key to creating visualisations that are not only compelling but analytically sound
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Tue 14 Oct 2025 | Christopher Andrew Young
Shadowing a DS Consultant on Placement
I had the opportunity this week to shadow Hannah Bartholomew, and learn about what a DS Consultant does on a day to day basis when on placement
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Sat 11 Oct 2025 | Elizabeth Archer
Sorting dates within a filter in Tableau
I recently wanted to be able to show the dates in a filter with the most recent dates at the top (sorted descending). Within a filter you can usually change the sort order by changing the default properts > sort. However, this does not work with date data types
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Thu 09 Oct 2025 | Francesca Plaskett
Am I like Chandler Bing? Maybe not so much.
An explanation as to what exactly a data analytics consultant does.
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Tue 14 Oct 2025 | Megan Harrington
How to make an accordion (or collapsible) bar chart
Accordion (or collapsible) charts can help keep dashboards clean by showing key information first and letting users expand sections for more detail when needed. This approach makes dashboards easier to read and more flexible for different users

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