Page 192 - Quantitative Data Analysis
P. 192

Quantitative Data Analysis
                                              Simply Explained Using SPSS


                                         2
                                 When R  R= 0.40, and K = 2;
                                       2
                           ̂

                    N        (Adjusted R )  Amount of loss  loss in Percentage
                       5           -0.200          0.600        150%
                      10            0.229          0.171         43%
                      20            0.329          0.071         18%
                      50            0.374          0.026         6%
                     100            0.388          0.012         3%
                     200            0.394          0.006         2%
                     500            0.398          0.002         1%
                    1000            0.399          0.001         0%


                                         2
                                 When R  R= 0.40, and K = 3;
                           ̂

                                       2
                    N       (Adjusted R )  Amount of loss   loss in Percentage
                       5           -1.400           1.800        450%
                      10            0.100           0.300        75%
                      20            0.288           0.113        28%
                      50            0.361           0.039        10%
                     100            0.381           0.019         5%
                     200            0.391           0.009         2%
                     500            0.396           0.004         1%
                    1000            0.398           0.002         0%

               It can be observed that the amount of predictive loss is decreases as
               sample size increases. The larger the sample size and the fewer
               predictors, the lower the shrinkage is.










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