How to use the Pandas Replace Technique

An image that shows how to replace a value in a Pandas dataframe.

In this tutorial, I’ll explain how to use the Pandas replace technique to change values inside of a Pandas dataframe. I’ll explain what the technique does, explain the syntax, and show you step-by-step examples. If you need something specific, you can click on any of the following links. Table of Contents: Introduction Syntax Examples Frequently … Read more

The 5 Python Skills You Need Before You Study Machine Learning

And image showing the 5 Python skills you need before you study machine learning.

Machine learning is a very powerful skill. And machine learning is a valuable skill. According to Glassdoor, the average salary for a machine learning engineer is about $127,000 in early 2021. If you already know some Python, then upskilling to add machine learning to your skill set could increase your earning power a lot. The … Read more

Mapping Texas ports with R [part 1]

An image of Texas ports, mapped along the Texas coastline using R.

In the last few months since covid-19 has struck, everyone is suddenly talking about supply chains. Just a few months ago, this was sort of a “boring” topic, only discussed by import specialists and corporate operations managers. But now, here we are, wondering where our toilet paper is going to come from. I’m being a … Read more