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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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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.
Mon 27 Jul 2026 | Dev Bhatnagar
How Data Cleaning becomes more important than ever with AI
How AI Models Work: Garbage In, Garbage Out
At its core, an AI algorithm takes in training data (labeled or unlabeled) and uses that information to learn and grow. Inherently, whatever data an AI model is fed will dictate how it makes decisions
Mon 03 Aug 2026 | Bianca Beingolea-Joseph
How to set up Power BI Email Subscriptions
Let me start by saying I am absolutely #TeamTableau, and Tableau does offer the ability to subscribe to a dashboard and receive scheduled email notifications
Wed 05 Aug 2026 | Ben Hayward
Alteryx Weekly Challenge #123 (Iterative Macros)
If you’ve been tackling the Alteryx Community Weekly Challenges, you know they can range from simple data prep to complex spatial and predictive analytics. Today, we're breaking down a iterative problem: Weekly Challenge #123
Wed 05 Aug 2026 | Oliver Furtak
Strategisches BI-Design: Figma meets Tableau
Warum ich Dashboards in Figma vorbaue
Wer schon einmal versucht hat, in Tableau oder Power BI ein durchdachtes, barrierefreies Farbsystem aufzubauen, kennt die Hürden
Wed 05 Aug 2026 | Mila Kholodiy
Changing Targets on the Fly: What I Learned in Advanced Tableau Cloud Session
Editing one line of SQL in DBeaver changed my Tableau dashboard's targets live—no republishing—thanks to a Tableau Bridge connection I set up in Robbin's advanced Tableau Cloud session.
Tue 04 Aug 2026 | Kaori Ikarashi
Alteryx Challenge 15: Spatial
This is an excellent challenge for gaining hands-on experience with Alteryx's spatial tools.
Challenge #15: Warehouse Shipped Miles
Here is what the challenge requires
Tue 04 Aug 2026 | Joe O'Connor
DRY SQL: Harnessing Jinja and Macros in dbt
DRY (Don't Repeat Yourself) is a fundamental principle of software development. The opposite is WET (Write Everything Twice)
Tue 04 Aug 2026 | Joe O'Connor
Secure, Event-Driven Data Ingestion: Connecting AWS S3 to Snowflake via Snowpipe
With raw JSON data stored in an S3 bucket, the next stage of your ELT process will likely be bringing that data into your data warehouse (in my case, Snowflake)
Wed 05 Aug 2026 | Oliver Furtak
Meeting gerettet: Wie die Transaktionsanalyse hilft
Das Potenzial – und die Tücken – von Gruppenarbeit
Synergien und gebündelte Expertise machen die Arbeit in Teams so wertvoll. Gleichzeitig ist die zwischenmenschliche Kommunikation hochkomplex
Tue 04 Aug 2026 | Bianca Beingolea-Joseph
So you want a new Tableau feature...
Recently, I was working with my cohort on creating a Running Sum calculation; we wanted to verify that the total in the last row equaled the total for Superstore sales. This led us to discover that there is no easy way to view all rows while working in Tableau Prep
Tue 04 Aug 2026 | Dylan Serino
DAX Applications - An Overview
What is DAX?
DAX is a Power BI built-in formula language and stands for Data Analysis Expressions. It is mainly used to create custom calculations to answer specific questions that most basic functions cannot
Tue 04 Aug 2026 | Carla Villafana
Web Scraping in Alteryx Walkthrough
In this blog, I will walk you through a web scraping example using Alteryx.
What is web scraping? Web scraping is the process of extracting data from a website. For instance, let’s say there’s a website with a list of books and authors you want to use for a project
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