Output from crossval.sas	Source 1 Graph

              Estimated predictive power, sample R Square = 0.50             1

         OBS    RSQUARE     N      K    N_TO_K    SAMPLING       R2

           1      0.5       25    20      1.25     Fixed      0.00000
           2      0.5       25    10      2.50     Fixed      0.00000
           3      0.5       50    20      2.50     Fixed      0.00000
           4      0.5       75    20      3.75     Fixed      0.12296
           5      0.5       25     5      5.00     Fixed      0.21684
           6      0.5       50    10      5.00     Fixed      0.23359
           7      0.5      100    20      5.00     Fixed      0.24184
           8      0.5      125    20      6.25     Fixed      0.30369
           9      0.5       75    10      7.50     Fixed      0.33708
          10      0.5      150    20      7.50     Fixed      0.34163
          11      0.5      175    20      8.75     Fixed      0.36727
          12      0.5       50     5     10.00     Fixed      0.37636
          13      0.5      100    10     10.00     Fixed      0.38264
          14      0.5      200    20     10.00     Fixed      0.38577
          15      0.5      125    10     12.50     Fixed      0.40828
          16      0.5       75     5     15.00     Fixed      0.42087
          17      0.5      150    10     15.00     Fixed      0.42472
          18      0.5      175    10     17.50     Fixed      0.43617
          19      0.5      100     5     20.00     Fixed      0.44181
          20      0.5      200    10     20.00     Fixed      0.44459
          21      0.5      125     5     25.00     Fixed      0.45398
          22      0.5      150     5     30.00     Fixed      0.46194
          23      0.5      175     5     35.00     Fixed      0.46756
          24      0.5      200     5     40.00     Fixed      0.47173
          25      0.5       25    20      1.25     Random     0.00000
          26      0.5       25    10      2.50     Random     0.00000
          27      0.5       50    20      2.50     Random     0.00000
          28      0.5       75    20      3.75     Random     0.04367
          29      0.5       25     5      5.00     Random     0.16070
          30      0.5       50    10      5.00     Random     0.19061
          31      0.5      100    20      5.00     Random     0.20488
          32      0.5      125    20      6.25     Random     0.28239
          33      0.5       75    10      7.50     Random     0.32118
          34      0.5      150    20      7.50     Random     0.32779
          35      0.5      175    20      8.75     Random     0.35757
          36      0.5       50     5     10.00     Random     0.36600
          37      0.5      100    10     10.00     Random     0.37442
          38      0.5      200    20     10.00     Random     0.37859
          39      0.5      125    10     12.50     Random     0.40328
          40      0.5       75     5     15.00     Random     0.41666
          41      0.5      150    10     15.00     Random     0.42136
          42      0.5      175    10     17.50     Random     0.43375
          43      0.5      100     5     20.00     Random     0.43954
          44      0.5      200    10     20.00     Random     0.44277
          45      0.5      125     5     25.00     Random     0.45257
          46      0.5      150     5     30.00     Random     0.46098
          47      0.5      175     5     35.00     Random     0.46686
          48      0.5      200     5     40.00     Random     0.47120

              Estimated predictive power, sample R Square = 0.50             2

              Plot of R2*N_TO_K.  Symbol is value of SAMPLING.

      |
      |
  0.5 +-----------------------------------------------------------------------
      |
      |                                                        F       F
      |                                        F       F
      |                            F   F
      |                        F   R
      |                    F   F
  0.4 +                    R
P     |                F
r     |              F F
e     |              R
d     |            F
i     |            R
c     |            R
t 0.3 +          F
i     |          R
v     |
e     |
      |        F
R     |        F
      |        F
S 0.2 +        R
q     |        R
u     |
a     |        R
r     |
e     |      F
      |
  0.1 +
      |
      |
      |
      |      R
      |
      |
  0.0 +  F F
      |
      -+---------+---------+---------+---------+---------+---------+---------+
     0.00      6.25      12.50     18.75     25.00     31.25     37.50   43.75

                        Sample size (n) / Predictor (k) Ratio

NOTE: 18 obs hidden.

                                                                             3

Graphic output from crossval.sas

PLOT OF R2 * N_TO_K = SAMPLING [ GPLOT 09/27/99 ]