Blog - Dean Hansen –

Misleading Charts Sep 14, 2025

Curious how per capita healthcare spending in Ontario compared to the other provinces and territories, I stumbled upon this report published in 2024 by the Canadian…

Sorry, I don't know how I wrote that... Sep 10, 2025

Interview after interview, Paul McCartney is asked ‘how did you write X, Y, Z [song]’.

A Better Path to the OLS Solution Jul 21, 2025

When taking an introductory course in regression analysis, the first model you’ll often encounter is linear regression. I’ve written out the key assumptions of linear…

My First Open Source Contribution! Jul 14, 2025

I’m (very) proud to announce that I’ve had made my first open source contribution!

EV Cruising Ranges Jul 2, 2025

Looking at fuel economy data from the EPA, we can see a clear upwards trend in cruising ranges of EV’s available on the market today. This is good news, as range anxiety...

Perfectionism and Programming Jan 13, 2025

Perfectionism plays a role in all of our lives. Like many qualities, it is hard to pin down the ways in which it influences us, but at the extremes this becomes clear. I was…

Most Useful Python Function for Beginners Dec 23, 2024

As a graduate student, I’ve helped hundreds of students get started with Python. Most of the students I’ve helped are taking introductory computer science or scientific…

2024 Presidential Election Nov 10, 2024

Wikipedia is often the go-to source for information online. If you want to read about nineteenth century history, the Manhattan project or types of flowers, Wikipedia caters…

Knock Knock...Who's There? It's me, Canada! Nov 8, 2024

There is a beeswarm plot on Observable HQ that shows photos of American presidents ordered by the year they were inaugurated. As a proud Canadian and amateur chart maker, I…