Data Science

Showing 28-29 of 29 results
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Growing Growth: Perform Your Own Cohort Analysis with This Open Source Code

by Alejandro Rigatuso

But this isn’t just another article about cohort analysis. If you already know the importance of the topic and want to skip the introduction, you can jump to the simulator, where you can either simulate startup growth based on retention, churn, and a number of other factors, or analyze your own PayPal logs with the code I’ve open sourced. If, however, you don’t realize that these are some of the most important metrics around–continue reading.

7 minute readContinue Reading
EngineeringIcon ChevronTechnology

How I Made a Fully Functional Arduino Weather Station

by Francisco Clariá

I live in Córdoba, Argentina, approximately 130 kilometers (~80 miles) away from the lake where I kitesurf. Thats roughly a two-hour drive, which I can deal with. But I can't deal with the fact that weather forecasts are inaccurate. And where I live, good wind conditions last just a couple of hours. The last thing you want to do is clear up your Monday schedule to go kitesurfing and find yourself cursing the gods on a windless lake after two hours of driving. I needed to know the wind conditions of my favorite kitesurfing spot—in real time. So I decided to build my own weather station.

10 minute readContinue Reading

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