Tableau QT: Doughnut Charts

This is a Quick Tip on how to build doughnut charts in Tableau, so less reading and more jumping in. We are going to spend 5 minutes or less...

Double, Spaced Doughnut Chart Tutorial

After the United Kingdom 2017 General Election, on Thursday 8th June 2017, I had many conservations about our First Past The Post system (FPTP), and why we do not have...

Dual-Metric Doughnut Chart Tutorial

I created this data visualisation in Tableau when I was exploring Sunburst charts, and drawing polygons, but never did release an article on it. But given I just finished...

Creating a Tableau Extension / Part Four

In Creating a Tableau Extension / Part One we introduced you to Git, GitHub, Yarn, Visual Studio Code as well as Bootstrap, jQuery and the Tableau Extension API library....

Creating a Tableau Extension / Part Three

In Creating a Tableau Extension / Part One we introduced you to Git, GitHub, Yarn, Visual Studio Code as well as Bootstrap, jQuery and the Tableau Extension API library. In Creating a...

TAB102 / Installing and Exploring Tableau

In this tutorial, we will install the 14-day trial for Tableau Desktop, walk through the User Interface, and build our first dashboard. This might sound like a lot of...

TAB101 / Introduction to Tableau

Tableau Software (/tæbˈloʊ/ tab-LOH) is a software company headquartered in Seattle, Washington, United States, that produces interactive data visualization products focused on business intelligence. It initially began in order...

SQL104 / Table Joins

Now that we have installed a SQL Server Express Database, SQL Server Management Studio (SSMS), AdventureWorks, can create a SQL SELECT Statements and in our last chapter, we learned about data...

Sin Function

In mathematics, the sine is a trigonometric function of an angle. The sine of an acute angle is defined in the context of a right triangle: for the specified...

SQL103 / Database Modelling

In part one of this SQL series, we introduced the concepts of the Relational Database Management System (RDBMS), installed Microsoft SQL Server Express, SQL Server Management Studio, and the...