Research Article
Graphical Evaluation of the Ridge-Type Robust Regression Estimators in Mixture Experiments
Table 2
Statistics for detecting influential observations for the Hald cement data.
| ID | | | | | | | Cook’s Distance | DFITS |
| 1 | 78.5 | 78.532 | −0.032 | −0.020 | −0.019 | 0.489 | 0.000 | −0.018 | 2 | 74.3 | 72.703 | 1.596 | 0.856 | 0.840 | 0.286 | 0.059 | 0.533 | 3 | 104.3 | 104.495 | −0.195 | −0.863 | −0.848 | 0.989 | 14.074 | −8.240 | 4 | 87.6 | 89.487 | −1.887 | −0.979 | −0.976 | 0.236 | 0.059 | −0.543 | 5 | 95.9 | 95.721 | 0.178 | 0.101 | 0.095 | 0.362 | 0.001 | 0.071 | 6 | 109.2 | 106.403 | 2.796 | 1.370 | 1.465 | 0.144 | 0.063 | 0.603 | 7 | 102.7 | 104.108 | −1.408 | −0.835 | −0.817 | 0.415 | 0.099 | −0.689 | 8 | 72.5 | 75.722 | −3.222 | −1.845 | −2.277 | 0.373 | 0.406 | −1.758 | 9 | 93.1 | 92.049 | 1.050 | 0.530 | 0.505 | 0.195 | 0.013 | 0.249 | 10 | 115.9 | 115.777 | 0.122 | 0.101 | 0.094 | 0.699 | 0.004 | 0.144 | 11 | 83.8 | 81.430 | 2.369 | 1.342 | 1.426 | 0.359 | 0.202 | 1.069 | 12 | 113.3 | 112.417 | 0.882 | 0.446 | 0.422 | 0.197 | 0.009 | 0.209 | 13 | 109.4 | 111.649 | −2.249 | −1.176 | −1.210 | 0.249 | 0.092 | −0.697 |
|
|