Introduction

Ever since I first heard his songs Wicked and Weird and Way Back When in high school, Buck 65 has been my favorite rapper bar none, and one of my favorite artists of any genre. That’s why when I first ran across Matt Daniels’ Rapper Vocablulary Chart in college, the first thing I did was go looking for him. It wasn’t surprising that he wasn’t on there — it’s not exactly like Buck was a household name — but it did leave me wondering where he would land on the chart.

Buck 65 performing live
Buck 65 performing live
Buck 65 Live — Daniel Jordahl from Östersund, Sweden, CC BY-SA 2.0, via Wikimedia Commons

In the years since, I would occasionally see updated…


About a year ago, I had a fun idea for a small side project. I wanted to build an API to do a simple linear regression on two series of data. If you don’t know what a linear regression is, it’s basically a way of calculating the correlation between two variables — it’s not super important to understanding this post, but if you want to learn more, you can get an idea of what it is here.

A scatter plot with a red regression line drawn through it
A scatter plot with a red regression line drawn through it
Basically it’s how you find the red line

It was a nice way to refresh some of my econometrics knowledge from college. Since I also wanted to improve my Python skills…


So, you’re thinking of brushing up on your data structures and algorithms skills. Maybe you’re looking for a new job. Maybe you’ve been learning a new language and want to challenge yourself to apply it. Maybe you just like the challenge. No matter the reason, you sit down at your computer, go over to Leetcode, choose a fun-looking problem and get to work.

Practice makes perfect — Photo by Émile Perron on Unsplash

Unfortunately, you chose one that’s a little over your head, and your brute-force O(n!) solution isn’t accepted. That’s fine, let’s take a minute to think about this. A minute turns into two, turns into ten, and eventually…

Logan Cooper

Interested in civic tech, data visualization, and data science. Published in The Startup. Sometimes I have thoughts.

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