Jethro Chen
Jethro graduated from the University of Technology Sydney with a Bachelor of IT, majoring in Data Analytics. Before joining The Data School, he worked at the NSW Data Analytics Centre, participating in data science projects. While working on those projects, he glanced over his colleague’s shoulder and discovered the wonderful world of Tableau and data visualization. In his free time, Jethro enjoys hiking in the mountains and playing with the latest technologies.
Reflection – This Is Just the Beginning
It's the end of an intense four months... four months of professional data analytics and consulting training at The Data School. Make no mistake, The Data School is definitely not your average school. Here, we learn all the knowledge and skills necessary to become a...
Temperature & Rainfall ‒ Dashboard Week Day 5
On the fifth and final day of Dashboard Week, the task was to build a Tableau viz using UN Air Quality data. Given the fact that I had already built an air quality dashboard on Monday, I wanted to switch things up. In the dataset, there were many other measures...
The Cocktail Database ‒ Dashboard Week Day 4
It is Day 4 of Dashboard Week and I had to build a Tableau dashboard using the data extracted from TheCocktailDB API. The data contained a list of drinks, including their ingredients and instructions on how to make them. The added challenge for today was to use an old...
Esri ArcGIS ‒ Dashboard Week Day 3
Today was the third day of Dashboard Week and the task was to use data from Esri ArcGIS datasources. There were several websites that contained open data with Esri ArcGIS connection options. I ended up browsing the ArcGIS Hub, a cloud platform run by Esri containing...
Ultimate Fighting Championship ‒ Dashboard Week Day 2
Dashboard Week continues as we roll through Day 2. Today, the challenge was to use UFC data from the Kaggle website. It was definitely not an easy dataset to work with as it contained well over a hundred columns. Also, I am no expert on the subject matter. First, I...
Data via API ‒ Dashboard Week Day 1
Every Data School trainee will eventually go through a rigorous Tableau challenge. A challenge to create a series of five amazing data visualisation dashboards, one a day, throughout an entire week. A challenge that will put all the skills we learned, over nearly four...
Comprehensive Guide to Spatial Analysis in Alteryx ‒ Part 2: Spatial Functions
Alteryx has many spatial functions, outside of the spatial tool palette, that provide advanced users access to several additional spatial analysis features. If you missed my last guide covering all of the tools in the spatial palette, check it out here. This guide...
Comprehensive Guide to Spatial Analysis in Alteryx ‒ Part 1: The Spatial Palette
Spatial analysis most commonly refers to the interpretation and analysis of geographical data on a geometric plane. Although there are many platforms that are capable of managing, manipulating and analysing spatial data, Alteryx allows you to combine spatial and...
The Radial Bar Chart in Tableau Tutorial
Are you looking to spice up your Tableau dashboards? Maybe you are bored of making the same old bar or line charts. Why not try creating a radial bar chart? Also known as a radial histogram or a circular barplot, this chart can be the centrepiece of a visualisation to...
How to Build a Waterfall Chart in Tableau
Waterfall charts are a great way to visualise the quantitative change of a numeric measure, either between categories or across a certain time period. It can also be used to show cumulative change. Waterfall charts are simple and easy to interpret, making it a popular...