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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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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 07 Jul 2026 | Sean Fei
Using Local Environmental Variables To Store API Keys: How To Safely Store Credentials For Use In Alteryx
As someone with a coding background, the topic of API keys was a bit of a fun flashback to my college hackathon years. I vividly remember getting yelled at by my team for accidentally pushing our OpenAI API key to github's main branch... what a disaster.
So when I found out that there wasn't a
Tue 07 Jul 2026 | Sean Fei
Fixing Corrupted Tableau Workbooks/ Error Codes In XML
Recently, I had the pleasure of fixing a Tableau Workbook for Tabitha, a Core Consultant here at TIL. The workbook she had been working on had given her an error code (shown below), and it seemed like the file had completely corrupted, with no way to retrieve the previously completed work
Tue 07 Jul 2026 | Ping HIll
How to Find Numbers That Equal the Power of Their Own Digit Sum in Alteryx
In a recent exercise, we were given an Alteryx challenge and asked to understand the workflow well enough to explain it to others. Here's my breakdown of how it works.
The goal of the challenge was to find numbers whose sum of digits, raised to the power of the digit count, equals the number
Tue 07 Jul 2026 | Kaori Ikarashi
Understanding the Transpose and Cross Tab Tools in Alteryx
Transpose and Cross Tab tools are used to change the structure of data in Alteryx. These tools are useful when data needs to be reshaped for analysis.
Transpose Tool
The Transpose tool converts data from wide to long format. It changes selected columns into rows
Tue 07 Jul 2026 | Mila Kholodiy
Mastering the RegEx Tool in Alteryx: Replace, Parse, Match, and Tokenize
The Alteryx RegEx Tool makes text processing faster and more efficient by offering four powerful configurations: Replace, Parse, Match, and Tokenize.
Tue 07 Jul 2026 | Ben Hayward
Creating a 9x9 times table in tableau prep
For this Blog I will outline my solution to Preppin' Data Week 40 2022 which involves taking a single numbers field with two rows and turning it into a 9x9 times table.
To start off its best to plan out what we are going to need
Tue 07 Jul 2026 | Jude Royall
Visualising Arsenal's 25/26 Squad Rotation
Makeover Monday > Excalidraw > Tableau Prep > Tableau Desktop
Tue 07 Jul 2026 | Mila Kholodiy
Tableau Extensions That Make Data Analysis Smarter: A Practical Look at Infotopics Super Tables & Power KPI
Traditional Tableau dashboards are excellent for visualizing trends, but exploring the reasons behind those trends often requires navigating multiple charts. Infotopics' Power KPI and Super Tables extensions simplify this process by combining high-level KPIs with detailed, interactive analysis
Tue 07 Jul 2026 | Ben Hayward
Creating an Agent in Snowflake
As part of a recent project we tasked with developing AI agents for "LEGO". The agent I worked on was to be utilised by LEGO customer support workers when working on live calls to enhance customer satisfaction and optimise call handling
Mon 06 Jul 2026 | Arushi Pant
Transalytical Flows Experimentation- Implementation using a Data Lakehouse (Is it worth using a Lakehouse for Transalytical flows? ).
As I continue to explore what Fabric can do/ capable of. I started to get curious as to if it was possible to combine a newer feature (Translytical task flows ) with what I have learnt so far
Thu 27 Nov 2025 | Joss Lazenby
Dashboard Week Days 4&5: NFL Big Data Bowl 2026 - Analytics
Our final brief of dashboard week is to create the start of an entry for the NFL Big Data Bowl hackathon, which focuses on the player movement before and after a pass.
As with previous weeks my first step is to breakdown the time available to me and plan out the next two days
Mon 06 Jul 2026 | Arushi Pant
Creating a Data Lakehouse and building reports off of queries in Fabric.
This blog is a continuation of my 'What is Microsoft Fabric?' Blog posted a week ago. Here is more of a tutorial on how to create a Data Lakehouse within Fabric. And some features you are able to do once you have created a data Lakehouse
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