A few months ago I realised you have to use Cython to calc pairwise dists for big data in Python, so I wrote my own:https://github.com/oliviaguest/pdist …
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Replying to @o_guest
This is COOL! Thanks Olivia! I may have an immediate application, but will have to think a bit after another coffee.
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Replying to @ar0mcintosh
Oh, you working on mapping data too? Cool! Also need some more coffee here too.

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Replying to @o_guest
Yep - mapping space-time structures. Perfect task for a dreary Saturday morning
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Replying to @ar0mcintosh
Well this code is hella fast if you are using great circle distance
6:11 AM - 14 Oct 2017
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