How to do Simple EDA for Machine Learning

An old image of the Titanic in Belfast, Ireland, with the Python logo off to the upper right hand side of the image.

In this tutorial, I’ll show you how to do some simple exploratory data analysis (EDA) for a machine learning project. In this tutorial, we’ll look at the Titanic dataset, which is commonly used in machine learning tutorials, and has previously been used as a Kaggle dataset. This tutorial will really only scratch the surface. There’s … Read more

Why Python is the Best Data Science Language (in 2023)

An image suggesting that Python is the best data science language.

The first question that aspiring data scientists ask me is “what is the best data science language … which should I learn.” And almost always, this is framed as a decision between R and Python. If you’re wondering which language you should learn first … And especially if you’re interested in artificial intelligence. Then keep … Read more

Numpy Transpose, Explained

An image that shows how Numpy transpose restructures the axes of a Numpy array.

In this tutorial, I’ll show you how to use the Numpy transpose function. I’ll explain what the function does, how the syntax works, and I’ll show you step-by-step examples of how to use it. If you need something specific, you can just click on any of the following links. Table of Contents: Introduction Syntax Examples … Read more

Numpy Copy, Explained

An image that shows how Numpy copy copies a Numpy array.

In this tutorial, I’ll explain the Numpy copy function. I’ll explain the syntax of np.copy and show you a clear example of how to use it. If you need something specific, you can click on any of the following links. Table of Contents: Introduction Syntax Examples Frequently Asked Questions A Quick Introduction to Numpy Copy … Read more

Numpy Min, Explained

An image that shows how Numpy min identifies the minimum values of a Numpy array.

This tutorial will show you how to use the Numpy min function (AKA, np.min). It explains what the function does at a high level, explains the syntax, and shows clear, step-by-step examples of how to use np.min. If you need anything specific, you can click any of the links below? Table of Contents: Introduction Syntax … Read more

Numpy Savez, Explained

An image that shows how Numpy savez saves multiple Numpy arrays to a single .npz file.

This tutorial will show you how to save multiple Numpy datasets in a single .npz file with Numpy savez. It explains what the np.savez does, explains the syntax, and shows step-by-step examples of how to use Numpy savez. If you need something specific, just click on any of the following links. Table of Contents: Introduction … Read more

The Numpy Shape Function, Explained

An image that shows how the Numpy shape function retrieves the shape of a Numpy array.

In this tutorial, I’ll explain how to use the Numpy shape function. I’ll explain what the function does, how the syntax works, and I’ll show you a couple of clear examples. If you need something specific, just click on one of the following links. Table of Contents: Introduction Syntax Examples Frequently Asked Questions A Quick … Read more