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cdf-binomial

incanter.stats

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

Options:
:size (default 1)
:prob (default 1/2)
:lower-tail (default true)

See also:
pdf-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/Cumulative_distribution_function

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

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Plus_12x12 Minus_12x12 Source incanter/stats.clj:1098 top

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

  Options:
    :size (default 1)
    :prob (default 1/2)
    :lower-tail (default true)

  See also:
      pdf-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/Cumulative_distribution_function

  Example:
      (cdf-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)
          lower-tail? (if (false? (:lower-tail opts)) false true)
          cdf-fx (if lower-tail?
                  (fn [x1] (Probability/binomial x1 n p))
                  (fn [x1] (Probability/binomialComplemented x1 n p)))]
      (if (coll? x)
        (map cdf-fx x)
        (cdf-fx x)))))
Vars in incanter.stats/cdf-binomial: coll? defn let map
Used in 0 other vars

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