GRM Syntax - Example 1: Multiple Regression
This example illustrates the specification for a simple multiple regression problem with a single dependent variable. Note that brief descriptive comments are enclosed in curly brackets. You can run this example with the example data file Exp.sta .
GSR;
{ Dependent variable (list): }
DEPENDENT = STRESS_R;
{ Specification of grouping variables (factors); note that
no codes (values) are specified, so the program will by default
take all grouping codes (e.g., 'Male', 'Female') found in the
data file. }
GROUPS = GROUP
GENDER;
{ Specification of continuous predictor variables (covariates) }
COVARIATE = CORRECT1 CORRECT2 CORRECT3;
{ Here the bar operator is used to construct the full factorial
design for the categorical predictor variables; the bar operator
will evaluate to all main effects and interactions between the
grouping variables. }
DESIGN = CORRECT1+CORRECT2+CORRECT3 +
GROUP | GENDER;
For more examples, see GRM Syntax - Examples.