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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 02 Sep 2026 | Gerard Najarro
Dashboard Week: Day 3
Day three of dashboard week was about building accessible dashboards. We covered what accessibility actually means in Tableau and Power BI, high contrast colors, colorblind-safe palettes, double encoding, bigger text, alt text, sensible keyboard focus order, and not relying on tooltips
Wed 02 Sep 2026 | Helena Reichenvater
Dashboard Week, Day 3: Accessibility
For the third day of dashboard week for DSNY12, we were asked to create a dashboard that focused on a specific kind of accessibility enablement
Wed 02 Sep 2026 | Sean Fei
Dashboard Week Day 3: Screen Readers, Keyboard Navigation, And Accessibility
Today we worked on a dashboard that focused on being user friendly and accessible to all people. In the morning we had a session where we learned exactly how to make our dashboard more accessible, such as preparing for color blindness, or formatting for people who used screen reader
Wed 02 Sep 2026 | Kaori Ikarashi
How to remove highlight on Tableau
Tableau’s default highlighting helps users focus on a selected mark, but it can sometimes remove useful context by fading everything else. Disabling it can keep the full view visible, make comparisons easier, and create a cleaner interaction.
First, create a calculated field for True and False
Tue 01 Sep 2026 | Carla Villafana
Dashboard Week- Day 2
On day 2, our task was to build a Power BI dashboard using Airbnb data from the following website:
https://insideairbnb.com/get-the-data/
We were given the freedom to choose our own city, and for this project, I chose Edinburgh.
I spent the first hour exploring the data and sketching
Tue 01 Sep 2026 | Ping HIll
Dashboard Week Day 2: AIRBNBI
This was our second day of Dashboard week, and today we were given the option to select any city’s Airbnb data and create a dashboard in Power BI. I chose Washington, DC, as I had just spent 2 years living there and wanted to dive into their Airbnb Data
Tue 01 Sep 2026 | Jorge Sempere
Barcelona Airbnb Power BI Dashboard (Dashboard Week: Day 2)
Task
Today’s task focused on designing a Power BI dashboard analyzing Airbnb activity. I decided to look at data across Barcelona neighborhoods
Tue 01 Sep 2026 | Stefani Hermanto
Dashboard Week Day 2: Power AirBnBI
Today we created dashboards in Power BI using AirBnB data. I chose to work with Boston data since I've been there several times and was curious about what insights I could garner.
I geared this dashboard towards Boston tourism boards
Tue 01 Sep 2026 | Sean Fei
Dashboard Day 2: PowerBI
Today, we started working on the PowerBI Dashboard day!
Even though I love Tableau more, I will say I had fun in PowerBi today.
Starting off, we were given data regarding Airbnb listing in different locations around the world
Tue 01 Sep 2026 | Gerard Najarro
Dashboard Week: Day 2
This project had us pick up Power BI and build a dashboard from real data, with a user story guiding the design choices. I went with Airbnb data for Newark, New Jersey, which is where I grew up
Tue 01 Sep 2026 | Stephanie Pichardo
PowerBI Corner: Custom Analytics, GeoJSON Maps, and Advanced DAX Filtering
Building an interactive dashboard to explore Rio de Janeiro’s 48,000+ Airbnb listings sounded straightforward on paper: give users a spatial map on the left and a dynamic multi-metric visual on the right to seamlessly pivot from macro neighborhood trends to single-property micro details
Tue 01 Sep 2026 | Helena Reichenvater
Making a PowerBi AirBNB Dashboard
For our second day of dashboard week, we were given access to a massive collection of data from Airbnb, and asked to create a dashboard in PowerBi based on the country/city we selected to focus on.
You can use this dataset too at https://insideairbnb
Want to know more?
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