Google’s legendary applied AI course designed for beginners and experts alike


The fastest way to diagnose your statistical alignment


You know machine learning is off to a rocky start when…

Adapted from Wikipedia.

“Among the machine learning strategy consultations you’ve done, which kinds of product team were the most challenging to work with?”

After consulting on hundreds of machine learning projects, I’ve learned to pay attention to early warning signs that the client is in danger of shooting themselves in the foot. …


Too good to fail? The surprising way a top-performing system can hurt you

  • Chris Careless is a constant disappointment to you, performing your task well 70% of the time and producing an absolute cringe the rest of the time. Watching Chris make 10 attempts is more than enough to provoke an “oh, dear” response from you.
  • Ronnie Reliable is…


Essential psychology for all data professionals

Image: SOURCE


Take a “moment” to explore some fundamentals

Get your distribution basics in Part 1 if you’re new to this space. Image: SOURCE.


Back-to-basics on data science fundamentals


Getting Started

Know your species of machine learning task

Before we dive deeper into supervised learning, in this video I give you a quick refresher on how that differs from unsupervised…


There is no classification.

Let me explain.

There is no classification… and regression is something else entirely. Meme template from The Matrix.

Discrete versus continuous


Continuous, discrete, categorical, cardinal, sequential… keep going!

Data types in statistics and analytics

Back when dinosaurs roamed the earth, it was fashionable to kick a statistics textbook off with a first chapter on the basics of data.

Don’t worry, it’s not this complicated of a data taxonomy. Some of these critters look wonderfully derpy. Image: SOURCE.

Cassie Kozyrkov

Head of Decision Intelligence, Google. ❤️ Stats, ML/AI, data, puns, art, theatre, decision science. All views are my own. twitter.com/quaesita

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