g02ef Example Program Results
Starting Stepwise Selection
Forward Selection
Variable    1 Variance ratio =   1.260e+001
Variable    2 Variance ratio =   2.196e+001
Variable    3 Variance ratio =   4.403e+000
Variable    4 Variance ratio =   2.280e+001
Adding variable    4 to model
Backward Selection
Variable    4 Variance ratio =   2.280e+001
Keeping all current variables
Forward Selection
Variable    1 Variance ratio =   1.082e+002
Variable    2 Variance ratio =   1.725e-001
Variable    3 Variance ratio =   4.029e+001
Adding variable    1 to model
Backward Selection
Variable    1 Variance ratio =   1.082e+002
Variable    4 Variance ratio =   1.593e+002
Keeping all current variables
Forward Selection
Variable    2 Variance ratio =   5.026e+000
Variable    3 Variance ratio =   4.236e+000
Adding variable    2 to model
Backward Selection
Variable    1 Variance ratio =   1.540e+002
Variable    2 Variance ratio =   5.026e+000
Variable    4 Variance ratio =   1.863e+000
Dropping variable    4 from model
Forward Selection
Variable    3 Variance ratio =   1.832e+000
Variable    4 Variance ratio =   1.863e+000
Finished Stepwise Selection
 
  Fitted Model Summary
 
  Term              Estimate   Standard Error
 
  Intercept:          5.258e+001            2.294e+000
 Variable:   1   1.468e+000   1.213e-001
 Variable:   2   6.623e-001   4.585e-002
 
  RMS:    5.790e+000