X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=doc%2Fregression.texi;h=9885d8444a8335468c64c5f6079a5945919a5d29;hb=b401615e6db40bf74394839b96600afe3a868a95;hp=d07b513aac5b20bb907bc348e15fd8812fd20d0e;hpb=430f3a7cd6d9175a54a9e97fb91d5fc912fcfea4;p=pspp-builds.git diff --git a/doc/regression.texi b/doc/regression.texi index d07b513a..9885d844 100644 --- a/doc/regression.texi +++ b/doc/regression.texi @@ -11,9 +11,9 @@ assumptions typical in linear regression: @itemize @bullet @item The data set contains @math{n} observations of a dependent variable, say @math{Y_1,@dots{},Y_n}, and @math{n} observations of one or more explanatory -variables. Let @math{X_{11}, X_{12}, @dots{}, X_{1n}} denote the @math{n} observations of the -first explanatory variable; @math{X_{21},@dots{},X_{2n}} denote the @math{n} observations of the -second explanatory variable; @math{X_{k1},@dots{},X_{kn}} denote the @math{n} observations of the kth +variables. Let @math{X_{11}, X_{12}}, @dots{}, @math{X_{1n}} denote the @math{n} observations of the +first explanatory variable; @math{X_{21}},@dots{},@math{X_{2n}} denote the @math{n} observations of the +second explanatory variable; @math{X_{k1}},@dots{},@math{X_{kn}} denote the @math{n} observations of the kth explanatory variable. @item The dependent variable @math{Y} has the following relationship to the @@ -50,7 +50,7 @@ REGRESSION /SAVE=@{PRED, RESID@} @end display -The @cmd{REGRESSION} procedure reads the active file and outputs +The @cmd{REGRESSION} procedure reads the active dataset and outputs statistics relevant to the linear model specified by the user. The VARIABLES subcommand, which is required, specifies the list of @@ -80,7 +80,7 @@ The covariance matrix for the estimated model coefficients. 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 +model to the active dataset. 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. It will choose the name of the variable for the predicted values similarly, but with PRED as a @@ -89,7 +89,7 @@ prefix. @node Examples @subsection Examples The following PSPP syntax will generate the default output and save the -predicted values and residuals to the active file. +predicted values and residuals to the active dataset. @example title 'Demonstrate REGRESSION procedure'. @@ -110,4 +110,3 @@ list. regression /variables=v0 v1 v2 /statistics defaults /dependent=v2 /save pred resid /method=enter. @end example -@setfilename ignored