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<a name="WILCOXON"></a>
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<p>
Previous: <a href="SIGN.html#SIGN" accesskey="p" rel="prev">SIGN</a>, Up: <a href="NPAR-TESTS.html#NPAR-TESTS" accesskey="u" rel="up">NPAR TESTS</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Function-Index.html#Function-Index" title="Index" rel="index">Index</a>]</p>
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<a name="Wilcoxon-Matched-Pairs-Signed-Ranks-Test"></a>
<h4 class="subsection">15.10.13 Wilcoxon Matched Pairs Signed Ranks Test</h4>
<a name="index-WILCOXON"></a>
<a name="index-wilcoxon-matched-pairs-signed-ranks-test"></a>
<div class="display">
<pre class="display"> [ /WILCOXON <var>var_list</var> [ WITH <var>var_list</var> [ (PAIRED) ]]]
</pre></div>
<p>The <code>/WILCOXON</code> subcommand tests for differences between medians of the
variables listed.
The test does not make any assumptions about the variances of the samples.
It does however assume that the distribution is symmetrical.
</p>
<p>If the <code>WITH</code> keyword is omitted, then tests for all
combinations of the listed variables are performed.
If the <code>WITH</code> keyword is given, and the <code>(PAIRED)</code> keyword
is also given, then the number of variables preceding <code>WITH</code>
must be the same as the number following it.
In this case, tests for each respective pair of variables are
performed.
If the <code>WITH</code> keyword is given, but the
<code>(PAIRED)</code> keyword is omitted, then tests for each combination
of variable preceding <code>WITH</code> against variable following
<code>WITH</code> are performed.
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