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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
Alteryx
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EMEA
Tableau
Community Impact 2024
EMEA ESMB
DataIQ
Data for Good Champion
Finalist
DataIQ
Best Data Academy or Skills Development
Finalist
Alteryx
Partner of the Year
Europe
DataIQ
Data for Good Champion
Champion
Tableau
Data for Good 2021
EMEA
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 24 Mar 2025 | Lina Duong
Dashboard Week: Designing for Accessibility - Screen Reader
When we think about accessibility in Tableau, a lot of the time we think of colour blindness. But there are so many other groups of people we don't realise that we're excluding by the way we design dashboards
Mon 24 Mar 2025 | Marcel Wiechmann
Dashboard Week Tag 1: Tableau trifft Lebenslauf
Die 4 Monate der Trainingsphase bei der 9. deutschen Data School Kohorte neigen sich dem Ende zu und wir beginnen mit der letzten Woche - Dashboard Week! Eine Woche, in der wir jeden Tag ein völlig neues Dashboard erstellen und präsentieren
Mon 24 Mar 2025 | Luiza-Ariana Cocora
Dashboard Week Day 1: Accessibility
As DS48 and I are approaching the end of our training, we've kicked off dashboard week with a session on Accessibility. This session focused on teaching us how to build our dashboards with accessibility in mind, and the vast range of accessibility needs there are to consider
Mon 24 Mar 2025 | Rosh Khan
Dyscalculia in Data
What is Dyscalculia?
Dyscalculia ( Dis Cal Coo Lia )
is a specific and persistent difficulty in understanding numbers (gov.uk). It’s often described as a common struggle in dealing with things like counting, estimating time, remembering number facts, and managing money
Mon 24 Mar 2025 | Ahsen Polat
Dashboard Week No. 1: Visualisiere deinen Lebenslauf
Die aufregende und intensive Dashboard Woche hat mit der Aufgabe gestartet, eine Visulisierung zu unseren Lebensläufen zu erstellen. Die größte Herausforderung war dementsprechend, einen eigenen Datensatz zu erstellen.
Damit habe ich auch begonnen
Mon 24 Mar 2025 | Johann Shin
Dashboard Week Day No. 1 - Visualize your Resume
Nachdem wir unsere Kundenprojekte erfolgreich abgeschlossen hatten, starteten wir in die Data School Dashboard Week – eine Herausforderung, die es in sich hat.
Während dieser Woche gilt es, täglich innerhalb von nur sechs Stunden ein Dashboard zu erstellen
Mon 24 Mar 2025 | Thomas Hoefer
Dashboard Week Entry 1: Lebenslauf als Visualisierung
Was ist Dashboard Week?
Eine Woche voller Dashboardbauen! 4 Tasks in 5 Tagen. 6 Stunden pro Aufgabe und nur 1 Ziel: Ein fertiges Dashboard muss her.
Heutige Aufgabe: Baue deinen Lebenslauf als Visualisierung
Tue 04 Mar 2025 | Marcel Wiechmann
Beyond Categories: Smart Grouping in Tableau
When analysing data, we often encounter situations where the granularity doesn't quite match our analytical needs. Your data might list individual countries when you need regional insights, or product SKUs when you want to analyse by product category
Mon 24 Mar 2025 | Salome Grasland
Hacking Subtotals and Totals in Tableau: A Distinct Count Workaround
When working with Tableau, one common challenge is getting subtotals and totals to display the correct values—especially when using distinct counts. If you’ve ever been frustrated by a subtotal that simply sums up row values rather than reflecting a true distinct count, this blog is for you
Mon 24 Mar 2025 | Melvin Speckamp
Dashboard Week - Tag 1
Montag: Tableau Public Visual CV
Ziel: Einen Lebenslauf in Tableau erstellen
Diese Woche ist die letzte Woche des Trainings für meine Kohorte DSDE9. In dieser Woche erhalten wir täglich eine neue Challenge mit dem Ziel, innerhalb eines Tages ein Dashboard zu erstellen
Thu 20 Mar 2025 | Gabriel Louks-Kirwan
Set Actions and Parameter Actions in Tableau: What's the difference and when to use them
What Are Set Actions?
Set Actions allow users to dynamically modify the contents of a set based on user interaction, such as clicking or hovering over a section of a visualisation .
A set is a subset of data that is either manually or conditionally created within Tableau
Tue 18 Mar 2025 | Gabriel Louks-Kirwan
Level of Detail Calculations: Basics 101
Level of Detail (LOD) expressions allow you to control the granularity at which calculations are performed. In Tableau, the level of detail in a visualisation is typically defined by the dimensions included
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