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cdf-exp

incanter.stats

  • (cdf-exp x & options)
Returns the Exponential cdf of the given value of x. It will return a sequence
of values, if x is a sequence. Same as R's pexp

Options:
:rate (default 1)

See also:
pdf-exp and sample-exp

References:
http://incanter.org/docs/parallelcolt/api/cern/jet/random/tdouble/Exponential.html
http://en.wikipedia.org/wiki/Exponential_distribution
http://en.wikipedia.org/wiki/Cumulative_distribution_function

Example:
(cdf-exp 2.0 :rate 1/2)
© incanter See http://incanter.org for copyright and license details.

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Plus_12x12 Minus_12x12 Source incanter/stats.clj:890 top 

(defn cdf-exp
" Returns the Exponential cdf of the given value of x. It will return a sequence
  of values, if x is a sequence. Same as R's pexp

  Options:
    :rate (default 1)

  See also:
      pdf-exp and sample-exp

  References:
      http://incanter.org/docs/parallelcolt/api/cern/jet/random/tdouble/Exponential.html
      http://en.wikipedia.org/wiki/Exponential_distribution
      http://en.wikipedia.org/wiki/Cumulative_distribution_function

  Example:
      (cdf-exp 2.0 :rate 1/2)
"
  ([x & options]
    (let [opts (when options (apply assoc {} options))
          rate (or (:rate opts) 1)
          dist (Exponential. rate (DoubleMersenneTwister.))]
      (if (coll? x)
        (map #(.cdf dist %) x)
        (.cdf dist x)))))
© incanter See http://incanter.org for copyright and license details.
Vars in incanter.stats/cdf-exp: coll? defn let map
Used in 0 other vars

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