G02EFF Example Program Results

 Starting Stepwise Selection
 
 Forward Selection
 Variable    1 Variance ratio =    1.260E+01
 Variable    2 Variance ratio =    2.196E+01
 Variable    3 Variance ratio =    4.403E+00
 Variable    4 Variance ratio =    2.280E+01
 
 Adding variable    4 to model
 
 Backward Selection
 Variable    4 Variance ratio =    2.280E+01
 
 Keeping all current variables
 
 Forward Selection
 Variable    1 Variance ratio =    1.082E+02
 Variable    2 Variance ratio =    1.725E-01
 Variable    3 Variance ratio =    4.029E+01
 
 Adding variable    1 to model
 
 Backward Selection
 Variable    1 Variance ratio =    1.082E+02
 Variable    4 Variance ratio =    1.593E+02
 
 Keeping all current variables
 
 Forward Selection
 Variable    2 Variance ratio =    5.026E+00
 Variable    3 Variance ratio =    4.236E+00
 
 Adding variable    2 to model
 
 Backward Selection
 Variable    1 Variance ratio =    1.540E+02
 Variable    2 Variance ratio =    5.026E+00
 Variable    4 Variance ratio =    1.863E+00
 
 Dropping variable    4 from model
 
 Forward Selection
 Variable    3 Variance ratio =    1.832E+00
 Variable    4 Variance ratio =    1.863E+00
 
 Finished Stepwise Selection

 Fitted Model Summary
 Term              Estimate   Standard Error
 Intercept:       5.258E+01        2.294E+00
 Variable:   1    1.468E+00        1.213E-01
 Variable:   2    6.623E-01        4.585E-02

 RMS:    5.790E+00