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1.2.3-SNAPSHOT

1.2.3-SNAPSHOT permalink

pdf-binomial

incanter.stats

(pdf-binomial x & options)

Returns the Bionomial pdf of the given value of x. It will return a sequence
of values, if x is a sequence. Same as R's dbinom

Options:
:size (default 1)
:prob (default 1/2)

See also:
cdf-binomial and sample-binomial

References:
http://incanter.org/docs/parallelcolt/api/cern/jet/random/tdouble/Binomial.html
http://en.wikipedia.org/wiki/Binomial_distribution
http://en.wikipedia.org/wiki/Probability_density_function

Example:
(pdf-binomial 10 :prob 1/4 :size 20)

0 Examples top

Source incanter/stats.clj:1068 top

(defn pdf-binomial
" Returns the Bionomial pdf of the given value of x. It will return a sequence
  of values, if x is a sequence. Same as R's dbinom

  Options:
    :size (default 1)
    :prob (default 1/2)

  See also:
      cdf-binomial and sample-binomial

  References:
      http://incanter.org/docs/parallelcolt/api/cern/jet/random/tdouble/Binomial.html
      http://en.wikipedia.org/wiki/Binomial_distribution
      http://en.wikipedia.org/wiki/Probability_density_function

  Example:
      (pdf-binomial 10 :prob 1/4 :size 20)
"
  ([x & options]
    (let [opts (when options (apply assoc {} options))
          n (or (:size opts) 1)
          p (or (:prob opts) 1/2)
          dist (Binomial. n p (DoubleMersenneTwister.))]
      (if (coll? x)
        (map #(.pdf dist %) x)
        (.pdf dist x)))))

Vars in incanter.stats/pdf-binomial: coll? defn let map

Used in 0 other vars

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pdf-binomial

incanter.stats

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Source incanter/stats.clj:1068 top

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