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sjl/gist:792680

Created January 24, 2011 02:00
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gistfile1.clj
(defn personality-stddev
[faved mehed hated mean]
(let [points (concat (take faved (cycle [1]))
(take mehed (cycle [0.5]))
(take hated (cycle [0])))
squared (map #(expt (- % mean) 2) points)]
(sqrt (/ (apply + squared) (count squared)))))
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