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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.
Wed 22 Jul 2026 | Holly Andersen
How to Use Regex in the Alteryx Formula Tool
The dedicated RegEx tool is great when you want to match, parse, replace or tokenize text. Sometimes, though, Regex is only one part of a larger calculation. You might want to use it inside an IF statement, combine it with other cleaning steps, classify records or create a calculated field
Thu 23 Jul 2026 | Gerard Najarro
Power BI Tip: Measures and Slicers
One thing that caught my attention while working in Power BI last week was how a measure behaves when a slicer is applied to the same field it references. By default, a slicer will filter most visuals on your report page
Wed 22 Jul 2026 | Amelia Young
Preppin' Data 2024 Week 27 Part 1: Joins in Tableau Prep Builder
An introduction to joins in Tableau Prep Builder with a Preppin' Data Challenge example.
Sat 13 Jun 2026 | Kaori Ikarashi
Tableau Server or Tableau Cloud? Key Differences Explained
Tableau Server and Tableau Cloud both provide the same powerful data visualisation and analytics capabilities, but they are different in how they are deployed, managed, secured and maintained
Wed 22 Jul 2026 | Sophie Yeung
Fuzzy Matching In Alteryx
How does fuzzy matching work in Alteryx and what are all the options available?
Tue 21 Jul 2026 | Oscar Kriebel
A Long Story Short: SQL's Stored Procedures and Information Schema
Recently, I went through a course at the Information Lab for an introduction into Data Engineering for my future placements. During this time, we learned about different elements when working with a database
Wed 22 Jul 2026 | Holly Andersen
How to Use the RegEx Tool in Alteryx
Regular expressions, or Regex, allow you to search for patterns within text rather than looking only for one exact value.
In Alteryx, the RegEx tool has four output methods:
* Match
* Parse
* Replace
* Tokenize
They all use a Regex pattern, but they produce different outputs
Thu 16 Jul 2026 | Sophie Yeung
Joins and Unions in Alteryx
How the join tool works in Alteryx, what the different outputs are and how to get further join types using a union tool.
Wed 22 Jul 2026 | Ben Hayward
SQL Day 1 in Python Pandas
Python’s pandas library offers all the same powerful data manipulation capabilities as SQL. In this post, I’ll walk through some basic translations from SQL over to Python, using the queries I ran during my first morning of SQL training as examples
Wed 17 Jun 2026 | Holly Andersen
Understanding Table Calculations in Tableau
Table calculations are a super useful part of Tableau, but they can often feel unpredictable.
This is because table calculations depend on the structure of the view
Wed 22 Jul 2026 | Holly Andersen
Cache and Run in Alteryx
When building a workflow that connects to an API or scrapes data from the web, you probably don't want to repeat the request every time you test a later step
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