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comparison scripts/statistics/base/skewness.m @ 3426:f8dde1807dee

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[project @ 2000-01-13 08:40:00 by jwe]
author jwe
date Thu, 13 Jan 2000 08:40:53 +0000
parents 0748b03c3510
children d25bc039237b
comparison
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3425:8625164a0a39 3426:f8dde1807dee
26 ## {\rm skewness} (x) = {1\over N \sigma(x)^3} \sum_{i=1}^N (x_i-\bar{x})^3 26 ## {\rm skewness} (x) = {1\over N \sigma(x)^3} \sum_{i=1}^N (x_i-\bar{x})^3
27 ## $$ 27 ## $$
28 ## @end tex 28 ## @end tex
29 ## @end iftex 29 ## @end iftex
30 ## @ifinfo 30 ## @ifinfo
31 ## 31 ##
32 ## @example 32 ## @example
33 ## skewness (x) = N^(-1) std(x)^(-3) sum ((x - mean(x)).^3) 33 ## skewness (x) = N^(-1) std(x)^(-3) sum ((x - mean(x)).^3)
34 ## @end example 34 ## @end example
35 ## @end ifinfo 35 ## @end ifinfo
36 ## 36 ##
37 ## @noindent 37 ## @noindent
38 ## of @var{x}. If @var{x} is a matrix, return the row vector containing 38 ## of @var{x}. If @var{x} is a matrix, return the row vector containing
39 ## the skewness of each column. 39 ## the skewness of each column.
40 ## @end deftypefn 40 ## @end deftypefn
41 41