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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 17 Mar 2026 | Adrienne Zhang
Creating Percentile Bands in Tableau
Percentile bands can help add more depth to a simple line chart. They show typical ranges, variability, and extremes all at once.
Last year I completed a Workout Wednesday challenge by Sean Miller focused on visualizing percentile bands in Tableau
Tue 17 Mar 2026 | Jacob Aronson
Tactfully Touring The Tableau Toolbar
Most of my Tableau education happened on a need-to-know basis. If I wanted to make something happen in my dashboard, I researched it, read a few blogs, then implemented it and went on with my process
Tue 17 Mar 2026 | George Chachkes
Aggregation in Alteryx
Aggregation is one of the most important steps to successfully draw insights from your data. It allows you to convert raw records into meaningful insights and answer actual business questions
Tue 17 Mar 2026 | Jacob Aronson
What Even is Alteryx? A Friendly Introduction to one of the Data School's Lesser Publicized Specialties
What is Alteryx?
When I was applying to the Data School, I learned everything there was to know about Tableau. I read blogs, watched videos, and built anything and everything that I could conceive of using the free Tableau Public Desktop subscription that is available to anybody (https://www
Tue 17 Mar 2026 | Lily Kiziriya
Intro to SQL: Part 1 learning key words
If you have ever worked with data before, you probably remember going to a site to download a file (perhaps it was an excel file or a csv). At the time that we obtain this file, it has already traveled through a journey of transformations before making its way into our downloads folder
Tue 17 Feb 2026 | Jacob Aronson
Are We On Pace? Nuanced Alternatives to Linear Pacing Metrics
What is Pacing?
Business targets are typically set on the quarterly or yearly level, but real-world data is generated much more granularly
Tue 17 Mar 2026 | Kate Loder
Thinking Inside The Box: Using Containers in Tableau
When I was doing my application to the Data School, containers were an absolute mystery to me. It was a case of chucking a container in and hoping for the best - and the best was often not what happened
Tue 17 Mar 2026 | Sita Pawar
Goodreads Wrapped in Tableau Prep and Desktop
I've been tracking my books on goodreads for years now and always look forward to the end of the year when you receive a summary of how many books and pages you've read
Tue 17 Mar 2026 | Sita Pawar
Windows Shortcuts for Snowflake SQL
Some of my favorite keyboard shortcuts to speed up your querying when working in SQL in Snowflake on windows. Apologies mac users.
Run current query (a classic): Ctrl + Enter A convenient alternative to hitting the play/run button
Mon 16 Mar 2026 | Tomo Mensendiek
Making API Calls on Alteryx
If you want to get data from the internet, API calls are a great way to do so.
In this tutorial we are using SWAPI (Star Wars API)! You can check out their website here: https://swapi.dev/
The first thing you want to do is to find out what data you want to request
Tue 17 Mar 2026 | Francesca Plaskett
Jitterbug... How to build a jitter plot in Tableau
Walk through this easy step-by-step tutorial on how to build a jitter plot with me.
Wed 25 Feb 2026 | Sita Pawar
Migrating between Tableau Prep and Python
This article provides an introductory guide to how Python functions, primarily using the Pandas library, correlate to Prep functions (and vice versa).
Want to know more?
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