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| File Information |
| Description |
H = TRIPLESTEST(X) performs the non-parametric triples test for symmetry (skewness) of the null hypothesis that the data in X comes from a symmetrical distribution with an unknown median. The test involves the examination of subsets of three variables from X (triples) to determine the likelihood that the distribution is skewed. H==0 indicated that the null hypothesis cannot be rejected at the 5% significance level. H==1 indicates that the null hypothesis can be rejected at the 5% level.
This test is suitable for date measured on a ordinal, interval, and rational scales, wheres the 3rd central moment is valid for a rational scale only.
Its syntax follows the style of most matlab statistical tests. Note that the statistical toolbox is not required.
See help for an example.
Version 2.1, may 2008 |
| MATLAB release |
MATLAB 7 (R14)
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| Updates |
| 14 Apr 2008 |
title change |
| 14 Apr 2008 |
again |
| 08 May 2008 |
fixed some errors in the help and comments |
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