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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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Wed 18 Feb 2026 | Tobin Hardy
Week 7: Workout Wednesday's
Over the past week I have produced 3 Workout Wednesdays. WOW 2024 Week 32 The first of which asked me to create a dashboard looking at how old medalists in each sport have been, with the ability to highlight a certain age or older
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Wed 18 Feb 2026 | Tomo Mensendiek
Using Sheets as a Parameter
Here is how you can have a sheet acting like a parameter. This method is useful if you want to have a parameter that dynamically updates - meaning the drop down for the parameter changes with different interactions
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Wed 18 Feb 2026 | Nicola Huetz
WINDOW_AVG Issues During WOW 2024 week 49
While I was trying to figure out WOW 2024 week 49 I ran into issues with the WINDOW_AVG function, which made it clear that I hadn't fully understood it
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Wed 18 Feb 2026 | Vivek Patel
Why I Stopped Using Red and Green Together in Dashboards
As a data analyst, red and green feel like the obvious choice. Green means “good.” Red means “bad.” Simple, right? Not always
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Wed 18 Feb 2026 | Durkka Rajasegaram
Dealing with Duplication in Tableau: Preppin' Data 2021 Week 5
Going through Preppin' Data 2021 week 5
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Thu 22 Jan 2026 | Lily Kiziriya
Consulting 101: Thinking like an End-User
How to process briefs and create user stories for your projects What makes a good consultant? When considering what makes a good consultant, the ability to demonstrate one's technical skill might be top-of-mind for most
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Tue 17 Feb 2026 | Sita Pawar
No Code: Generating Image Based Scatter Plots
Generating Image Based Scatterplots in Python - The Data SchoolConverting images to point locations and values allows you to plot pictures as scatterplots, offering a wide range of creative use cases
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Wed 04 Feb 2026 | Sita Pawar
Text Parsing and Sentiment Analysis in Python
Shall I Compare Thee to a Polarity Score? Sentiment Analysis of Shakespeare’s Sonnets While building a Tableau Dashboard to explore Shakespeare’s sonnets, I became curious about how modern sentiment analysis tools would handle Renaissance language
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Tue 17 Feb 2026 | Serena Purslow
What did it take to get into DS56?
DS56 are already three weeks into their four-month training programme at The Data School, so let’s take a look at what it took for them to land their roles!
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Thu 05 Feb 2026 | Francesca Plaskett
A 3 way toggle in Tableau. Surely it cannot be? But it can.
Following on from my success with a two-way toggle in Tableau, I explore how to create a three-way toggle.
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Tue 10 Feb 2026 | Elda Ketena
How do you Pivot (columns to rows) in Tableau Desktop?
What is Pivoting? Pivoting is a data transformation technique used to reshape data by turning columns into rows or rows into columns. However when pivoting on Tableau Desktop it only allows you to pivot columns to rows
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Tue 17 Feb 2026 | Jacob Aronson
A New Solution to Tied Rankings: the 'Bubble Bump Chart'
Bump Charts: Strengths and Weaknesses One of my favorite kinds of charts is a bump chart, which allows you to see how rankings have changed and evolved over time. They are simplified line graphs, where instead of plotting measured values vertically, you plot how a certain group ranked

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