Calculus and History

I’ve been reading Steven Strogatz' book, Infinite Powers, How Calculus Reveals the Secrets of the Universe and I’m marveling at how exciting it is to learn about how calculus came about, from Archimedes’ brilliant methods more than two millennia ago, to Galileo’s experiments with falling objects, Fermet…

The Mathematics of Security

Originally written on May 25, 2019. I’ve been reading Joshua Holden’s The Mathematics of Security, subtitled Cryptography from Caesar Ciphers to Digital Encryption. The book begins with definitions of ciphers, plaintext, ciphertext, cryptanalysis and other common terms used in the general field of cryptography, and then dives into…

Pandas Cheatsheet helps memory retention

A cheatsheet is like a reference page, with the difference that it provides a quick lookup of the most common features. I really like this pandas cheatsheet for that reason. When I haven't done data-wrangling or cleaning in a while, it helps me to get a quick answer. One other…

Hypothesis Generation vs. Hypothesis Confirmation

I'm just starting to get back to data science and glad to have found Hadley Wickham's and Garrett Grolemund's book, R for Data Science. It looks to be a good refresher for me. In reading the Introduction, I'm immediately struck with how helpful this book is going to be. In…