— In the News —
BuzzFeed News went on a search for hidden aircraft using data that's readily available and discovered secrets that nobody wants to talk about. This data detective story describes their 5 best finds. It's not long but it's a good read. And if you want to go down a rabbit hole, follow the links. The "flight-tracking data" link is especially worth exploring.
Andrew Ng is one of the most famous AI researchers in the world. He co-founded Coursera, was the founding director of the Google Brain project, is an Associate Professor at Stanford, created Coursera's hugely popular Machine Learning MOOC, and most recently, was the chief scientist at Baidu. In this interview, he describes his next big thing, which could become the most popular MOOC ever.
“Optimal” billiard tables are shapes whose particular angles make it possible to understand every billiard path that could occur within them. Mathematicians have recently discovered a new class of optimal billiard tables that connect a large variety of mathematical work. Here's what all the fuss is about and how they did it.
— Sponsored Link —
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— Tools and Techniques —
If you were an AI, here's how you might find Waldo. Great tutorial!
Includes descriptions, code snippets, and instructional videos for 8 commonly used machine learning algorithms.
This tutorial goes beyond basic SQL syntax. This includes an overview of how database engines work, along with more advanced SQL commands.
This is a great answer that got a lot of attention on Reddit this week.
— Data Viz —
Nice exploration of ways to plot trends over time. This post starts with a fairly common example and decomposes it step by step to end up with a graph that's much simpler and easier to read.
— Career —
Nice overview of what it's like to do data science in the real world. The article is followed by a great discussion in 250+ comments.
— In Case You Missed It —
Be sure to catch the most popular links from last week's issue...
— About —
Data Elixir is curated and maintained by @lonriesberg. If some awesome person forwarded this issue to you, subscribe for free at dataelixir.com and get it delivered every week.