The SAS System                                1
                                                  15:16 Saturday, April 12, 2008

                               The REG Procedure
                                 Model: MODEL1
                             Dependent Variable: y 

                    Number of Observations Read          10
                    Number of Observations Used          10


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

 Model                     2        5849807        2924903      62.30    <.0001
 Error                     7         328627          46947                     
 Corrected Total           9        6178434                                    


              Root MSE            216.67176    R-Square     0.9468
              Dependent Mean     2059.76700    Adj R-Sq     0.9316
              Coeff Var            10.51924                       


                              Parameter Estimates
 
                           Parameter       Standard
      Variable     DF       Estimate          Error    t Value    Pr > |t|

      Intercept     1      512.28686      223.14061       2.30      0.0553
      x1            1        0.03875        0.00468       8.28      <.0001
      x2            1        0.05894        0.01640       3.59      0.0088
                                 The SAS System                                2
                                                  15:16 Saturday, April 12, 2008

                               The REG Procedure
                                 Model: MODEL1
                        Partial Regression Residual Plot

     ----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+----
   y |                                                                         |
     |                                                                         |
     |                                                                         |
 600 +                                                                         +
     |                                                                         |
     |                                                                         |
     |                                                                    1    |
 500 +                                                                         +
     |                                                                         |
     |                                                                         |
     |                                                                         |
 400 +                                                                         +
     |                                                                         |
     |                                                                         |
     |                                        1                                |
 300 +                                                                         +
     |                                                                         |
     |                                                                         |
     |                                                                         |
 200 +                                                                         +
     |                                                                         |
     |                                                                         |
     |                                1                                        |
 100 +                 1                                1                      +
     |                                                                         |
     |                              1                                          |
     |                                                                         |
   0 +                                                                         +
     |                                                                         |
     |                                                                         |
     |                                                                         |
-100 +        1                                                                +
     |                                                                         |
     |                                                                         |
     |          1                                1                             |
-200 +                                                                         +
     |                                                                         |
     |                                                                         |
     |                                                                         |
-300 +                             1                                           +
     |                                                                         |
     |                                                                         |
     |                                                                         |
-400 +                                                                         +
     |                                                                         |
     |                                                                         |
     ----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+----
       -0.4  -0.3  -0.2  -0.1   0.0   0.1   0.2   0.3   0.4   0.5   0.6   0.7

                                      Intercept
                                 The SAS System                                3
                                                  15:16 Saturday, April 12, 2008

                               The REG Procedure
                                 Model: MODEL1
                        Partial Regression Residual Plot

      -----+------+------+------+------+------+------+------+------+------+-----
    y |                                                                        |
      |                                                                        |
      |                                                                        |
  800 +                                                                        +
      |                                                                        |
      |                                                                        |
      |                                                1                       |
  600 +                                                     1           1      +
      |                                                                        |
      |                                                   1                    |
      |                                                                        |
  400 +                                                                        +
      |                                                                        |
      |                                                                        |
      |                                                                        |
  200 +                                1                                       +
      |                                1                                       |
      |                                                                        |
      |                                                                        |
    0 +                                                                        +
      |                                                                        |
      |                                                                        |
      |                                                                        |
 -200 +                                                                        +
      |                                                                        |
      |                                                                        |
      |                                                                        |
 -400 +                                                                        +
      |            1                                                           |
      |                 1                                                      |
      |                                                                        |
 -600 +                                                                        +
      |                                                                        |
      |     1                                                                  |
      |                                                                        |
 -800 +                                                                        +
      |                                                                        |
      |                                                                        |
      |                                                                        |
-1000 +                                                                        +
      |      1                                                                 |
      |                                                                        |
      |                                                                        |
-1200 +                                                                        +
      |                                                                        |
      |                                                                        |
      -----+------+------+------+------+------+------+------+------+------+-----
        -20000 -15000 -10000  -5000    0    5000   10000  15000  20000  25000

                                          x1
                                 The SAS System                                4
                                                  15:16 Saturday, April 12, 2008

                               The REG Procedure
                                 Model: MODEL1
                        Partial Regression Residual Plot

     -----+-------+-------+-------+-------+-------+-------+-------+-------+-----
   y |                                                                         |
     |                                                                         |
 600 +                                                                         +
     |                                                                         |
     |                                                                         |
     |                                                                  1      |
     |                                                                         |
     |                                                                         |
     |                                                                         |
 400 +                                                                         +
     |                                                                         |
     |                                                                         |
     |                                             1                           |
     |                                                                         |
     |                                                                         |
     |                                                                         |
 200 +                                                                         +
     |                                           1      1                      |
     |                                                                         |
     |                              1                                          |
     |                                                                         |
     |                                                                         |
     |                                                                         |
   0 +                                                                         +
     |                                1                                        |
     |                                                                         |
     |                                                                         |
     |                                                                         |
     |                                                                         |
     |                                               1                         |
-200 +                                                                         +
     |                                                                         |
     |                         1                                               |
     |     1                                                                   |
     |                                                                         |
     |                                                                         |
     |                                                                         |
-400 +                                                                         +
     |                                                                         |
     |                                                                         |
     |                                                                         |
     |                                                                         |
     |                                                                         |
     |                 1                                                       |
-600 +                                                                         +
     |                                                                         |
     -----+-------+-------+-------+-------+-------+-------+-------+-------+-----
        -8000   -6000   -4000   -2000     0     2000    4000    6000    8000

                                         x2