From 571f85fc18f4b8cafea2d7b8ea6cf2c4cb2b02c8 Mon Sep 17 00:00:00 2001 From: Jason Stover Date: Fri, 28 Apr 2006 20:07:04 +0000 Subject: [PATCH] added regression node to doc build --- doc/ChangeLog | 7 +++++++ doc/automake.mk | 1 + doc/regression.texi | 20 +++++++++++++------- doc/statistics.texi | 5 ++++- 4 files changed, 25 insertions(+), 8 deletions(-) diff --git a/doc/ChangeLog b/doc/ChangeLog index 34d1a890..901cf102 100644 --- a/doc/ChangeLog +++ b/doc/ChangeLog @@ -1,3 +1,10 @@ +2006-04-28 Jason Stover + + * regression.texi: Added description of the RESID and PRED + keywords to the SAVE subcommand. + + * statistics.texi: Added REGRESSION node. + 2006-04-21 Jason Stover * regression.texi: Initial description of the SAVE subcommand. diff --git a/doc/automake.mk b/doc/automake.mk index 0ca4fe2d..4eb3b300 100644 --- a/doc/automake.mk +++ b/doc/automake.mk @@ -24,6 +24,7 @@ doc_pspp_TEXINFOS = doc/version.texi \ doc/q2c.texi \ doc/statistics.texi \ doc/transformation.texi \ + doc/regression.texi \ doc/utilities.texi \ doc/variables.texi \ doc/fdl.texi diff --git a/doc/regression.texi b/doc/regression.texi index 22b9f58f..74816307 100644 --- a/doc/regression.texi +++ b/doc/regression.texi @@ -1,4 +1,5 @@ -@node REGRESSION, , ONEWAY, Statistics +@node REGRESSION, ,ONEWAY, Statistics +@comment node-name, next, previous, up @section REGRESSION The REGRESSION procedure fits linear models to data via least-squares @@ -45,7 +46,7 @@ REGRESSION /DEPENDENT=var_list /STATISTICS=@{ALL, DEFAULTS, R, COEFF, ANOVA, BCOV@} /EXPORT ('file-name') - /SAVE + /SAVE=@{PRED, RESID@} @end display The @cmd{REGRESSION} procedure reads the active file and outputs @@ -54,7 +55,7 @@ statistics relevant to the linear model specified by the user. The VARIABLES subcommand, which is required, specifies the list of variables to be analyzed. Keyword VARIABLES is required. The DEPENDENT subcommand specifies the dependent variable of the linear -model. The DEPENDENT subcommond is required. All variables listed in +model. The DEPENDENT subcommand is required. All variables listed in the VARIABLES subcommand, but not listed in the DEPENDENT subcommand, are treated as explanatory variables in the linear model. @@ -76,10 +77,13 @@ Analysis of variance table for the model. The covariance matrix for the estimated model coefficients. @end table -The SAVE subcommand causes PSPP to save the residuals from the fitted +The SAVE subcommand causes PSPP to save the residuals or predicted +values from the fitted model to the active file. PSPP will store the residuals in a variable called RES1 if no such variable exists, RES2 if RES1 already exists, -RES3 if RES1 and RES2 already exist, etc. +RES3 if RES1 and RES2 already exist, etc. It will choose the name of +the variable for the predicted values similarly, but with PRED as a +prefix. The EXPORT subcommand causes PSPP to write a C program containing functions related to the model. One such function accepts values of @@ -95,7 +99,8 @@ PSPP extension. @node Examples, , Syntax, REGRESSION @subsection Examples -The following PSPP code will generate the default output, and save the +The following PSPP syntax will generate the default output, save the +predicted values and residuals to the active file, and save the linear model in a program called ``model.c.'' @example @@ -114,7 +119,8 @@ a 8.838262 -29.25689 b 6.200189 -18.58219 end data. list. -regression /variables=v0 v1 v2 /statistics defaults /dependent=v2 /export (model.c) /method=enter. +regression /variables=v0 v1 v2 /statistics defaults /dependent=v2 + /export (model.c) /save pred resid /method=enter. @end example The file pspp_model_reg.h contains these declarations: diff --git a/doc/statistics.texi b/doc/statistics.texi index 26266e4e..2cb79d23 100644 --- a/doc/statistics.texi +++ b/doc/statistics.texi @@ -14,6 +14,7 @@ far. * CROSSTABS:: Crosstabulation tables. * T-TEST:: Test hypotheses about means. * ONEWAY:: One way analysis of variance. +* REGRESSION:: Linear regression. @end menu @node DESCRIPTIVES, FREQUENCIES, Statistics, Statistics @@ -599,7 +600,7 @@ of variable preceding @code{WITH} against variable following @code{WITH} are generated. -@node ONEWAY, , T-TEST, Statistics +@node ONEWAY, REGRESSION, T-TEST, Statistics @comment node-name, next, previous, up @section ONEWAY @@ -648,3 +649,5 @@ display a warning, but will proceed with the analysis. The @code{CONTRASTS} subcommand may be given up to 10 times in order to specify different contrast tests. @setfilename ignored + +@include regression.texi -- 2.30.2