How to visualize classification model performance using Yellowbrick

Whether we are iterating over performance models or presenting to clients, data scientists utilize visualizations regularly. While there are many visualization libraries available to us, Yellowbrick serves as a natural extension to scikit-learn’s modeling process and assists with model interpretation and tuning.

“Visualization gives you answers to questions you didn’t know you had.”

— Ben Schneiderman

This post is to serve as an introduction to Yellowbrick and display a few ways in which it can simplify the process of visualizing the results of various classification models.

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Photo by Chris Barbalis on Unsplash

I will be using Pandas and NumPy to assist with data frame manipulation and…


I am not an expert in mathematics. I am not an expert in science or statistics. Honestly, I feel uncomfortable saying I’m an expert in anything. However, I can say that I am proficient at a few things: learning is on that list.

Studying, teaching and performing music has taught me many things, but learning how to learn has been one of the most valuable byproducts. As a professional musician, you have to adapt and learn on the fly. If unsuccessful, that could mean the difference in being hired or not. Preparation is paramount. …


Greetings data science community! My name is Alex. I am a data scientist and classical musician.

Prior to March 2020 I would have called myself a classical musician only. March 13, 2020 is still fresh in my mind. I was sitting in the back row on the stage of Meymandi Concert Hall.

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Meymandi Concert Hall in Raleigh, NC. Home of the NC Symphony

I was serving as the Associate Principal Trumpet of the North Carolina Symphony. I was in rehearsal for the upcoming weekend’s concert series, Thibaudet Performs Ravel, with Grant Llewellyn conducting. This was truly one of the best concert cycles I can remember playing. The literature was beautiful and…

Alex Fioto

Data scientist and classical musician based in Raleigh, NC.

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