Brian Scally

Brian developed an affinity for data analytics and visualisation while studying cognitive neuroscience. During his PhD, he analysed brain activity from older adults and individuals with dementia. While searching for opportunities that would afford him more data and a wider variety of projects, he found The Data School, applied, and hasn’t looked back. He is excited to get stuck into the world of visualisation and consulting.

Blog Posts

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Fri 01 Mar 2019 | Brian Scally
Dashboard Week Day 5 - US Interstate Traffic
Under serious time pressure to write this one. We had to make something with data concerning the number of cars passing particular stations on interstate routes in the US. The data is from here: http://metrocosm
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Thu 28 Feb 2019 | Brian Scally
Dashboard Week Day 4 – USA Drought Monitor
Today’s task was to use data from the United States Drought Monitor [https://droughtmonitor.unl.edu/] API, in particular the comprehensive statistics
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Wed 27 Feb 2019 | Brian Scally
Dashboard Week Day 3 – New Orleans 311 Calls & Power BI fun
As is becoming tradition, DS12 had to use Microsoft Power BI for one of the Dashboard Week projects. Today was the day, and we were given the New Orleans 311 call database to work with
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Tue 26 Feb 2019 | Brian Scally
Dashboard Week Day 2 – London Marathon Runners
This morning, Andy directed us to https://www.virginmoneylondonmarathon.com, and told us to scrape every London Marathon result from 1981-2018, for information about individuals that shared the first two letters of our surnames. Weird enough task
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Mon 25 Feb 2019 | Brian Scally
Dashboard Week Day 1 - Star Wars
For Dashboard Week day 1, Andy asked us to use the Star Wars API to download data. The API allows you to obtain data about various aspects of the Star Wars universe, such as characters, vehicles, planets and species. I went with characters. Here’s what I came up [https://public.tableau
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Mon 25 Feb 2019 | Brian Scally
Tableau Tip: Formatting the Axis Correctly on a Population Pyramid
So you’ve just made your first population pyramid in Tableau. Here’s one I quickly put together, showing the distribution of males and females in Japan across a range of age bins: But look, the x-axis is all wrong – it extends to around 7,000,000 for females, but only to 5,000,000 for males
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Sat 16 Feb 2019 | Brian Scally
Clustering continuous and categorical data in Alteryx
For this weeks client project at The Data School, one of my objectives was to group the clients customers based on the types of services that they were purchasing from the client. This is also known as customer segmentation [https://searchsalesforce.techtarget.com/definition/customer-segmentation]
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Sun 03 Feb 2019 | Brian Scally
Publishing to Tableau Server with tabcmd
Last week I got acquainted with tabcmd [https://onlinehelp.tableau.com/current/server/en-us/tabcmd.htm], the Tableau Server command line utility. With tabcmd, you can automate various Tableau Server processes from your local machine
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Tue 29 Jan 2019 | Brian Scally
How to make a correlation matrix in Tableau
A correlation matrix is handy for summarising and visualising the strength of relationships between continuous variables. Essentially, a correlation matrix is a grid of values that quantify the association between every possible pair of variables that you want to investigate
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Sun 13 Jan 2019 | Brian Scally
Web Scraping JavaScript Content
Introduction Web scraping is an extremely powerful method for obtaining data that is hosted on the web
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Sun 06 Jan 2019 | Brian Scally
Chaining apps in Alteryx
I hit a wall in my previous post [https://www.thedataschool.co.uk/brian-scally/filter-by-fields-from-connected-tools-in-alteryx-macro-app/] when trying to dynamically update a drop down interface tool with the field names of a given input dataset
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Wed 19 Dec 2018 | Brian Scally
Filter by fields from connected tools in Alteryx macro/app
Today I encountered the following scenario in Alteryx when we were building our first macros and apps
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Wed 12 Dec 2018 | Brian Scally
Tableau: Simultaneous continuous and discrete colour schemes
Today we did Tableau essentials training with Andy
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Mon 10 Dec 2018 | Brian Scally
Plotting data to image pixels in Tableau: Data prep with R
al I recently came across this viz [https://public.tableau.com/views/StanLeesUniverse/GoodbyeStan?:embed=y&:display_count=yes&%3AshowVizHome=no] by Filippo Mastroianni [https://twitter.com/filmastroianni?lang=en] of the late Stan Lee’s Marvel universe of superheroes and villains
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Wed 05 Dec 2018 | Brian Scally
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We’re sitting on the midweek hump of Week 1 here at The Data School as DS12. Day one consisted of digesting some background and history about The Information Lab and getting kitted out with some swag and laptops
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