Posts

Tudor Trends: Revisiting watcher
R
Python

Revisiting my data scraping project, complete with data scraping woes, lessons learned, and some new data viz.

Michael Johnson
May 13, 2025

Running Julia in Production (kinda)
Julia

Lessons Learned from Trying to Host an Oxygen App on Digital Ocean

Michael Johnson
Aug 28, 2024

Working With Census Data in Julia
Julia
Transit

In this post, we’ll explore some bike commuting data from the American Community Survey (ACS).

Michael Johnson
Aug 2, 2024

Cycling in DC Part II: Car-Free in DC
R
Transit

At long last, a follow-up to my first Cycling in DC post…

Michael Johnson
Apr 19, 2024

From Four Wheels to Two (or less?)
R
Transit

A data-driven analysis of how I’ve started driving less and walking/biking more since I moved to DC in 2023!

Michael Johnson
Feb 16, 2024

Introducing watcher
R
Python
Julia

watcher is a data scraping and data visualiztion projects intended to provide insight into the watch grey market. In this post, I introdce v0.0.1 of watcher and do some…

Michael Johnson
Nov 29, 2023

Marcadores Discursivos
Julia
Python
R
Spanish
Linguistics

A blast from 4 years in the past - in this post I revisit my senior-year Spanish Linguistics project with a modern twist: combining OpenAI’s API and the Julia language.

Michael Johnson
Nov 8, 2023
 
Revisiting Cycling in DC (this time, make it Rusty 🦀)
Rust

I’ve been playing around with Rust more recently, and thought I’d try to apply it to a real world project.

Michael Johnson
Oct 3, 2023
 
How to Use ChatGPT to Prepare for Job Interviews
AI
ChatGPT

ChatGPT is not the world’s savior or the downfall of humanity (yet), but it’s effective at completing a number of tasks and at reducing our cognitive load for others. I’ve…

Michael Johnson
Sep 8, 2023
 
I started using Julia at work 🤫
Julia

Recently, looking to get more real-world analytics experience with Julia, I ported some of our internal helper package over so I could test out incorporating it into my…

Michael Johnson
Jul 5, 2023
 
Designing an Internal Julia Package
Julia

In this post, I’ll explore the benefits of designing and maintaining an internal Julia package for your analytics team, as well as walk through an example of how to set up…

Michael Johnson
May 4, 2023
 
We Need More Silly Projects in Julia
Julia

A few years ago, I developed a simple Julia package in an effort to become more familiar with the language. It illustrated to me that we need more projects like this in the…

Michael Johnson
Apr 29, 2023

Turning Cats Into Data
Python
web scraping
SQL

In this post, I explore using Python and web scraping to turn a local shelter’s adoption page into structured data for analysis.

Michael Johnson
Mar 14, 2023

Cycling in DC, Part 1

Part 1 of a series of data-driven exploration into the safety of cycling in Washington, D.C. This post focuses on obtaining data from DC’s Open Data portal.

Michael Johnson
Feb 17, 2023
 
Analysts Should Test Their Code Too!

Unit testing shouldn’t just be for Software Engineers! In this post I explore a real-life situation where unit testing could have saved me from extra work.

Michael Johnson
Dec 27, 2022
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