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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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Partner of the Year
Europe
DataIQ
Data for Good Champion
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Data for Good 2021
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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 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
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
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!
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 learnt how to create a three-way toggle and share my new learnings in this post.
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
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
Mon 16 Feb 2026 | Andrew Tobin
Building Dynamic Cross-Workbook Navigation in Tableau Server Using a Centralised URL Repository
Tableau provides easy native functionality for navigating between dashboards within a workbook, using navigation buttons. As you add more dashboards, it’s easy to copy and paste navigation buttons across sheets — or simply rely on the built-in sheet tabs
Fri 13 Feb 2026 | Robin Jones
The Magic of a Hidden Filter Panel: Creating a Sleek, Clutter-Free Slicer Panel in Power BI
One of the biggest challenges in Power BI is providing users with enough filters without cramping the dashboard's design. The "Hidden Filter Menu" is the gold-standard solution for this, it gives you
Thu 05 Feb 2026 | Tobin Hardy
Blog 6: Power BI (DAX) - RELATED vs RELATEDTABLE
RELATED & RELATEDTABLE are two extremely useful functions in DAX (the language used in Power BI). Both functions allow you to navigate between tables in your data model when working while working within a row context
Sat 14 Feb 2026 | Jacob Aronson
Recreating Wordle in Tableau
Tableau's robust body of interactivity features makes it perfect for exploratory data visualizations, but also opens the door to other fun projects like simple games
Thu 12 Feb 2026 | Jacob Aronson
Applying Sentiment Analysis to Into The Woods
As I learn more data skills during Data School training, I am starting to apply those techniques to passion projects about topics that I love. This week, I learned about some more advanced sentiment analysis software called Text Blob from my colleague Sita Pawar
Mon 02 Feb 2026 | Francesca Plaskett
Toggling in Tableau - Setting your toggle to a default
Part 2 of my toggling blogs explaining how to set your toggle to reset to a default in Tableau.
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