Posts

Using LLMs to Create Insights from Text

In this post, I talk about a real-world example of using LLMs to produce valuable insights from unstructured data.

Michael Johnson

Running Julia in Production (kinda)

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

Michael Johnson

Working With Census Data in Julia

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

Michael Johnson

Cycling in DC Part II: Car-Free in DC

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

Michael Johnson

From Four Wheels to Two (or less?)

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

Michael Johnson

Introducing `watcher`

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

Marcadores Discursivos

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

Revisiting Cycling in DC (this time, make it Rusty 🦀)

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

Michael Johnson

How to Use ChatGPT to Prepare for Job Interviews

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

I started using Julia at work 🤫

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

Designing an Internal Julia Package

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

We Need More Silly Projects in 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

Turning Cats Into Data

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

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

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