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1.2.3-SNAPSHOT

1.2.3-SNAPSHOT permalink

sweep

Return an array obtained from an input array by sweeping out a
summary statistic. Based to R's sweep function.

Arguments:
x is an sequence

Options:
:stat (default mean) the statistic to sweep out
:fun (defaul minus) the function used to sweep the stat out

Example:

(use '(incanter core stats))

(def x (sample-normal 30 :mean 10 :sd 5))
(sweep x) ;; center the data around mean
(sweep x :stat sd :fun div) ;; divide data by its sd

0 Examples top

Source incanter/stats.clj:1844 top

(defn sweep
" Return an array obtained from an input array by sweeping out a
  summary statistic. Based to R's sweep function.

    Arguments:
      x is an sequence


    Options:
          :stat (default mean) the statistic to sweep out
          :fun (defaul minus) the function used to sweep the stat out

    Example:

      (use '(incanter core stats))

      (def x (sample-normal 30 :mean 10 :sd 5))
      (sweep x) ;; center the data around mean
      (sweep x :stat sd :fun div) ;; divide data by its sd

"
  ([x & options]
    (let [opts (when options (apply assoc {} options))
          stat-fn (or (:stat opts) mean)
          fun (or (:fun opts) minus)
          stat (stat-fn x)]
      (fun x stat))))

Vars in incanter.stats/sweep: defn let

Used in 0 other vars

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incanter

Namespaces

sweep

incanter.stats

0 Examples top

See Also top

Source incanter/stats.clj:1844 top

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