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The latest blog posts to take off on Hacker News. 2,307 posts.

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2016
968

What is the roundest country?

We can define roundness in many ways. For example, as you may know, the circle is the shape that given a fixed perimeter maximizes the area. This definition has many problems. One of the problems is that countries generally have chaotic perimeters (also known as borders), so they tend to be much longer than they seem…

973

What makes music sound “good?”

When listening to music, however, we are not just listening to a series of disconnected instants. Instead, the way things sound depends on the notes we have heard. In other words, we integrate over time . One of the most important functions of a musical scale is to limit the overall pitch content of what we're hearing…

980

Generalized linear models, abridged

Generalized linear models (GLMs) are indispensable tools in the data science toolbox. They are applicable to many real-world problems involving continuous, yes/no, count and survival data (and more). The models themselves are intuitive and can be used for inference and prediction. A few very high quality free and open…