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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
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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.
Thu 05 Feb 2026 | Vivien Lee
Dynamic Zone Visibility in Tableau vs Bookmarks in Power BI
So the last blog (linked below) covered sets and parameters with lots of examples on the different ways you can use them
Wed 11 Feb 2026 | Bethany Haysom
Dashboard rework: Part 1
Follow along as I rework the first dashboard I ever built. This week I focused on user stories and concept sketching.
Wed 11 Feb 2026 | Harry Singler
W6: First Personal Development Time Review
Today we had our first Personal Development Time (PDT), which is a chunk of time allocated to going back over anything from training that you know you have not properly bedded in yet. We cover loads of material and it is explained really well, but if you do not actually build with it, you forget it
Wed 11 Feb 2026 | Shivam Wadhia
Tableau's Order of Operations
Let's say we wanted to use Tableau's Sample Superstore dataset to answer the question: how many product sub-categories are profitable in Canada?
A bar chart might be a good first chart to build
Wed 11 Feb 2026 | Roshan Desai
Preparing Data using Multiple Programs
Preparing data using different programs
5 weeks have flown by at the data school and DS55 have learnt so many new skills and techniques, one of which has been data preparation
Tue 10 Feb 2026 | Charles Yi
A Modular Way to Print Tableau PDFs
You create a beautiful dashboard (or a suite of dashboards) that you spent days, if not weeks, on. After all that effort, the end-user asks "can this be PDF'd"? Worst of all, you have several filters in the dashboard(s) and there is no easy way to generate PDFs for all cuts natively through Tableau
Mon 12 Jan 2026 | Le Luu
DES - Data Engineering Lifecyle
Have you wondered about the full data lifecycle? Which processes are included in that lifecycle and their purposes?
In this blog, I will explore and find the answer to those questions
Tue 10 Feb 2026 | Beza Taye
Creating Indicator Bars for MoM or YoY Change Using Parameters in Tableau
Indicator bars are a simple but effective way to show whether a metric has increased or decreased over time
Tue 10 Feb 2026 | Beza Taye
Helpful Calculations for Yearly (YoY) and Monthly (MoM) Analysis in Tableau
When working with time-based data in Tableau, having a set of reliable calculations for monthly and yearly analysis can make a significant difference
Tue 10 Feb 2026 | Beza Taye
How to Find the Top/Bottom N Dimensions Based on a Measure in Tableau
In Tableau, a common analytical requirement is identifying the top or bottom N values within a dimension based on a chosen measure. This technique is particularly useful when you want to focus attention on best or worst performers without overwhelming the view
Tue 10 Feb 2026 | Beza Taye
How to use Parameters to create a Dimension Switch in Tableau
A common challenge in Tableau is wanting to allow users to explore data from different perspectives without cluttering the view with multiple dimensions or duplicating worksheets. This is where dimension switching using parameters becomes extremely useful
Mon 09 Feb 2026 | Jacob Aronson
Bringing Time Series Data to Life With Tableau Animations
Time series data is composed of measurements taken at regular intervals over a given time period. The typical chart choice for this kind of data is a line graph which lets you get a broad assessment of how trends have shaped up over time
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