The SAS System   05:51 Wednesday, December 29, 2011  49

                                       The REG Procedure
                                         Model: MODEL1
                                     Dependent Variable: y

                                  Backward Elimination: Step 0

                     All Variables Entered: R-Square = 1.0000 and C(p) = .


                                      Analysis of Variance

                                             Sum of           Mean
         Source                   DF        Squares         Square    F Value    Pr > F

         Model                     5     1684.47719      336.89544      Infty    <.0001
         Error                    54              0              0
         Corrected Total          59     1684.47719


                            Parameter     Standard
               Variable      Estimate        Error   Type II SS  F Value  Pr > F

               Intercept  7.24352E-14            0  1.53222E-26    Infty  <.0001
               x1         -5.6958E-15            0  2.43094E-27    Infty  <.0001
               x2         8.90099E-15            0  3.25089E-27    Infty  <.0001
               x3         -2.6614E-14            0  2.25688E-26    Infty  <.0001
               x4             1.00000            0    201.21966    Infty  <.0001
               x5             1.00000            0     30.13846    Infty  <.0001

                           Bounds on condition number: 4.8181, 70.969
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             Variable selection terminated as the selected model is a perfect fit.