Category Archives: Analysis

Apropos of several of my recent posts, The New York Times has an interesting article up, Counting by Race Can Throw Off Some Numbers. Basically it outlines the difficulty of enumerating different racial and ethnic groups for different purposes in a mor…

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On occasion I get queries about what distinguishes people with science backgrounds from those who don’t have science backgrounds. I think an anecdote might illustrate the type of difference one is expecting. Back in undergrad I was having lunch with my lab partner, when a friend saw us and decided to chat with us as […]

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Mike the Mad Biologist, whose bailiwick is the domain of the small, asks in the comments:
I don’t mean to bring up a tangential point to the post, but why does the field of human genetics use PCA to visualize relationships? When I see plots like those shown here that have a ‘geometric pattern’ to […]

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Razib Khan