X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=doc%2Fstatistics.texi;h=e5e299a47f8a66ae63688581de53a4b57e18d35b;hb=d7965d19e72e6ba63fa807b2ea27adaedc9da109;hp=9b4c3ed204cac599b5d6ede2b87c2c822cb291e2;hpb=2a063214a1869edf404a8d558c4a23e979ed829d;p=pspp-builds.git

diff --git a/doc/statistics.texi b/doc/statistics.texi
index 9b4c3ed2..e5e299a4 100644
--- a/doc/statistics.texi
+++ b/doc/statistics.texi
@@ -38,7 +38,7 @@ DESCRIPTIVES
               @{A,D@}
 @end display
 
-The @cmd{DESCRIPTIVES} procedure reads the active file and outputs
+The @cmd{DESCRIPTIVES} procedure reads the active dataset and outputs
 descriptive
 statistics requested by the user.  In addition, it can optionally
 compute Z-scores.
@@ -683,6 +683,7 @@ is used.
 * CHISQUARE::               Chisquare Test
 * COCHRAN::                 Cochran Q Test
 * FRIEDMAN::                Friedman Test
+* KENDALL::                 Kendall's W Test
 * KRUSKAL-WALLIS::          Kruskal-Wallis Test
 * MANN-WHITNEY::            Mann Whitney U Test
 * RUNS::                    Runs Test
@@ -796,6 +797,23 @@ The Friedman test is used to test for differences between repeated measures when
 
 A list of variables which contain the measured data must be given.  The procedure prints the sum of ranks for each variable, the test statistic and its significance.
 
+@node KENDALL
+@subsection Kendall's W Test
+@vindex KENDALL
+@cindex Kendall's W test
+@cindex coefficient of concordance
+
+@display
+     [ /KENDALL = varlist ]
+@end display
+
+The Kendall test investigates whether an arbitrary number of related samples come from the 
+same population.
+It is identical to the Friedman test except that the additional statistic W, Kendall's Coefficient of Concordance is printed.
+It has the range [0,1] --- a value of zero indicates no agreement between the samples whereas a value of
+unity indicates complete agreement.
+
+
 @node KRUSKAL-WALLIS
 @subsection Kruskal-Wallis Test
 @vindex KRUSKAL-WALLIS