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comparison scripts/statistics/base/kurtosis.m @ 3499:3e3e14ad5149

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[project @ 2000-01-31 05:18:07 by jwe]
author jwe
date Mon, 31 Jan 2000 05:18:13 +0000
parents d25bc039237b
children 22bd65326ec1
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3498:e391aeef2b3c 3499:3e3e14ad5149
17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA 17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
18 ## 02111-1307, USA. 18 ## 02111-1307, USA.
19 19
20 ## -*- texinfo -*- 20 ## -*- texinfo -*-
21 ## @deftypefn {Function File} {} kurtosis (@var{x}) 21 ## @deftypefn {Function File} {} kurtosis (@var{x})
22 ## If @var{x} is a vector of length @var{N}, return the kurtosis 22 ## If @var{x} is a vector of length @math{N}, return the kurtosis
23 ## @iftex 23 ## @iftex
24 ## @tex 24 ## @tex
25 ## $$ 25 ## $$
26 ## {\rm kurtosis} (x) = {1\over N \sigma(x)^4} \sum_{i=1}^N (x_i-\bar{x})^4 - 3 26 ## {\rm kurtosis} (x) = {1\over N \sigma(x)^4} \sum_{i=1}^N (x_i-\bar{x})^4 - 3
27 ## $$ 27 ## $$