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AlexAti/coverage.clj

Created October 6, 2015 20:22
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Question: How many elements of a population do I get with n samples of size s?
Raw
coverage.clj
(defn coverage-in-n-samples [samples size population]
"Question: How many elements of a population do I get with n samples of size s?"
(let [pop (range 0 population)]
(->> (range 0 samples)
(map (fn [dumb] (take size (shuffle pop))))
(doall)
(flatten)
(distinct)
(count)
(* (/ 1.0 population)))))
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