From 2a063214a1869edf404a8d558c4a23e979ed829d Mon Sep 17 00:00:00 2001 From: John Darrington Date: Thu, 28 Oct 2010 15:34:52 +0200 Subject: [PATCH] Added very basic documentation for the Cochran Q test --- doc/statistics.texi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/doc/statistics.texi b/doc/statistics.texi index 156b396c..9b4c3ed2 100644 --- a/doc/statistics.texi +++ b/doc/statistics.texi @@ -681,6 +681,7 @@ is used. @menu * BINOMIAL:: Binomial Test * CHISQUARE:: Chisquare Test +* COCHRAN:: Cochran Q Test * FRIEDMAN:: Friedman Test * KRUSKAL-WALLIS:: Kruskal-Wallis Test * MANN-WHITNEY:: Mann Whitney U Test @@ -767,6 +768,21 @@ If no /EXPECTED subcommand is given, then then equal frequencies are expected. +@node COCHRAN +@subsection Cochran Q Test +@vindex Cochran +@cindex Cochran Q test +@cindex Q, Cochran Q + +@display + [ /COCHRAN = varlist ] +@end display + +The Cochran Q test is used to test for differences between three or more groups. +The data for @var{varlist} in all cases must assume exactly two distinct values (other than missing values). + +The value of Q will be displayed and its Asymptotic significance based on a chi-square distribution. + @node FRIEDMAN @subsection Friedman Test @vindex FRIEDMAN -- 2.30.2