Browsing Archive: July, 2017

Ten Years of GalaxyZoo

Posted by on Tuesday, July 11, 2017,
Happy 10th Anniversary to the team behind the GalaxyZoo website!

Back in 2007 a group of astronomers set up this program that would provide images from professional telescopes to the public, and allow dedicated volunteers to classify the different types of galaxies that were visible. This has produced countless academic papers in peer reviewed journals, and has allowed an army of amateur scientists to have a real impact on our understanding of the Universe.

On a personal level, I was a graduate...
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Simpson's Paradox Visualized

Posted by on Monday, July 10, 2017, In : Mathematics 
A while ago I wrote an article about an interesting statistical phenomenon known as Simpson's Paradox. According to Simpson's Paradox, a company can have discriminatory hiring policies in spite of each of its individual departments being completely fair. A new medical treatment can work better than existing methods for both the young and the old, and yet it gives worse results when you don't know the age of the patient. And it can make a single data set produce opposite and contradictory resu...
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About Me


Dr. Chris Bird I am a theoretical physicist & mathematician, with training in electronics, programming, robotics, and a number of other related fields.

   

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