(defn sd
"
Returns the sample standard deviation of the data, x. Equivalent to
R's sd function.
Examples:
(sd (sample-normal 100))
References:
http://incanter.org/docs/parallelcolt/api/cern/jet/stat/tdouble/DoubleDescriptive.html
http://en.wikipedia.org/wiki/Standard_deviation
"
([x]
;; population sd, not the sample sd
;(DoubleDescriptive/sampleStandardDeviation (length x) (variance x))))
;; return the sample standard deviation
(sqrt (variance x))))
Vars in
incanter.stats/sd:
defn
Used in 0 other vars
Source
incanter/stats.clj:1508
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