From 65c4b7fb960b429cc535d3b564a704ee4ebfbed6 Mon Sep 17 00:00:00 2001 From: John Darrington Date: Sat, 3 Oct 2009 22:46:11 +0200 Subject: [PATCH] Add a manual entry for the CORRELATIONS command --- doc/statistics.texi | 55 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/doc/statistics.texi b/doc/statistics.texi index 76925d7e..01cd52d5 100644 --- a/doc/statistics.texi +++ b/doc/statistics.texi @@ -8,6 +8,7 @@ far. * DESCRIPTIVES:: Descriptive statistics. * FREQUENCIES:: Frequency tables. * EXAMINE:: Testing data for normality. +* CORRELATIONS:: Correlation tables. * CROSSTABS:: Crosstabulation tables. * NPAR TESTS:: Nonparametric tests. * T-TEST:: Test hypotheses about means. @@ -301,6 +302,60 @@ If many dependent variable are given, or factors are given for which there are many distinct values, then @cmd{EXAMINE} will produce a very large quantity of output. +@node CORRELATIONS +@section CORRELATIONS + +@vindex CORRELATIONS +@display +CORRELATIONS + /VARIABLES = varlist [ WITH varlist ] + [ + . + . + . + /VARIABLES = varlist [ WITH varlist ] + /VARIABLES = varlist [ WITH varlist ] + ] + + [ /PRINT=@{TWOTAIL, ONETAIL@} @{SIG, NOSIG@} ] + [ /MISSING=@{PAIRWISE, LISTWISE@} @{INCLUDE, EXCLUDE@} ] +@end display + +@cindex correlation +The @cmd{CORRELATIONS} procedure produces tables of the Pearson correlation coefficient +for a set of variables. The significance of the coefficients are also given. + +At least one VARIABLES subcommand is required. If the WITH keyword is used, then a non-square +correlation table will be produced. +The variables preceding WITH, will be used as the rows of the table, and the variables following +will be the columns of the table. +If no WITH subcommand is given, then a square, symmetrical table using all variables is produced. + + +The @cmd{MISSING} subcommand determines the handling of missing variables. +If INCLUDE is set, then user-missing values are included in the +calculations, but system-missing values are not. +If EXCLUDE is set, which is the default, user-missing +values are excluded as well as system-missing values. +This is the default. + +If LISTWISE is set, then the entire case is excluded from analysis +whenever any variable specified in the any @cmd{/VARIABLES} subcommand +contains a missing value. +If PAIRWISE is set, then a case is considered missing only if either of the +values for the particular coefficient are missing. +The default is PAIRWISE. + +The PRINT subcommand is used to control how the reported significance values are printed. +If the TWOTAIL option is used, then a two-tailed test of significance is +printed. If the ONETAIL option is given, then a one-tailed test is used. +The default is TWOTAIL. + +If the NOSIG option is specified, then correlation coefficients with significance less than +0.05 are highlighted. +If SIG is specified, then no highlighting is performed. This is the default. + + @node CROSSTABS @section CROSSTABS -- 2.30.2