A lot of inefficiencies is right under our noses. On the factory floor, you see the workers moving, you see the machines running, but something … Read More

Imagine you’re standing in a high school chemistry lab and looking down at a beaker full of some kind of copper solution. According to the … Read More

It’s amazing first time you run a model that gets 98 percent correct. It feels magical. But then you look at confusion matrix and notice … Read More

Let’s say there’s a 12% probability of a client replying to your cold email. You can fire off ten emails which means there’s an expected … Read More

When the weather report tells you there’s an x percent chance of rain, x is abstract until you translate it into action: you know the … Read More

If you learned statistics, you probably did so using pencil-and-paper calculations. You entered values, you added them, you squared them, you checked if you dropped … Read More

In your house, most of energy comes as an AC swing with a frequency of 60 hertz (meaning it cycles between positive and negative 60 … Read More

A teacher hands back a test, and you compare grades: an A alongside an F. You’re tempted to conclude that this class is all over … Read More

Then you hand back the midterm and realize you messed up question seven. Maybe the picture didn’t make sense; maybe the answer key were wrong; … Read More

A minute later, you have handed back a test paper, and there it stares up at you: a sixty-four percent. You know that’s a C, … Read More