Created
August 30, 2014 12:23
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(ns various-distributions.exponential | |
(:require [incanter.charts :as c] | |
[incanter.core :as i] | |
[incanter.distributions :as d] | |
[incanter.stats :as s])) | |
(defn show-exponential-distribution [] | |
(let [dist (d/exponential-distribution 1.0) | |
n 100000 | |
x (repeatedly n #(d/draw dist)) | |
pdf-fn #(d/pdf dist %)] | |
(let [nbins 50 | |
series-label "exponential" | |
[x-min x-max] (s/quantile x :probs [0.01 0.99])] | |
(-> (c/histogram x :nbins nbins :density true :series-label series-label) | |
(c/set-x-range x-min x-max) | |
(c/add-function pdf-fn x-min x-max :series-label "exponential-pdf") | |
i/view)))) |
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