Research Article
A New Probability Heavy-Tail Model for Stochastic Modeling under Engineering Data
Table 4
Assessment results for parameters a1 = 2.0, a2 = 0.6, and a3 = 0.8.
| | n | BIAS | BIAS | BIAS | RMSE | RMSE | RMSE | AD-abs | AD-max |
| MLE | 50 | 0.02125 | 0.00241 | 0.00883 | 0.24095 | 0.05020 | 0.08451 | 0.00377 | 0.00718 | CVM | | −0.03361 | 0.00590 | 0.00196 | 0.28383 | 0.05612 | 011311 | 0.00479 | 0.00800 | OLS | | −0.04076 | 0.01596 | 0.01988 | 0.28422 | 0.05681 | 0.12773 | 0.01403 | 0.02079 | WLS | | 0.19087 | 0.02551 | 0.07792 | 0.37926 | 0.06005 | 0.13578 | 0.03672 | 0.07189 | ADE | | −0.05862 | 0.00436 | −0.01159 | 0.25928 | 0.05233 | 0.09713 | 0.00667 | 0.01160 | RTADE | | 0.00699 | 0.00511 | −0.01493 | 0.34809 | 0.05705 | 0.11065 | 0.00312 | 0.00573 | LTADE | | −0.00189 | 0.00256 | 0.00643 | 0.33287 | 0.05206 | 0.11902 | 0.00268 | 0.00480 | MLE | 100 | 0.01465 | 0.00173 | 0.00695 | 0.16913 | 0.03605 | 0.05949 | 0.00336 | 0.00655 | CVM | | −0.01177 | 0.00004 | −0.00095 | 0.20047 | 0.03680 | 0.08139 | 0.00106 | 0.00166 | OLS | | −0.00826 | 0.00756 | 0.01334 | 0.19427 | 0.03820 | 0.08428 | 0.00719 | 0.01191 | WLS | | 0.13800 | 0.01432 | 0.05397 | 0.24464 | 0.04062 | 0.08816 | 0.02480 | 0.04815 | ADE | | −0.01914 | 0.00186 | −0.00294 | 0.17613 | 0.03621 | 0.06603 | 0.00210 | 0.00392 | RTADE | | −0.00584 | 0.00364 | −0.00789 | 0.22440 | 0.03858 | 0.07694 | 0.00253 | 0.00472 | LTADE | | 0.00813 | 0.00152 | 0.00477 | 0.23052 | 0.03590 | 0.07834 | 0.00214 | 0.00418 | MLE | 300 | 0.00605 | 0.00153 | 0.00312 | 0.09802 | 0.02040 | 0.03423 | 0.00185 | 0.00353 | CVM | | −0.00374 | 0.00066 | 0.00115 | 0.11441 | 0.02137 | 0.04873 | 0.00063 | 0.00090 | OLS | | −0.00444 | 0.00198 | 0.00313 | 0.11368 | 0.02178 | 0.04881 | 0.00186 | 0.00286 | WLS | | 0.06355 | 0.00646 | 0.02414 | 0.12811 | 0.02295 | 0.04533 | 0.01143 | 0.02215 | ADE | | −0.00865 | 0.00014 | −0.00191 | 0.10256 | 0.02116 | 0.03963 | 0.00101 | 0.00162 | RTADE | | 0.00348 | 0.00148 | −0.00017 | 0.13345 | 0.02215 | 0.04371 | 0.00115 | 0.00186 | LTADE | | −0.00102 | −0.00016 | 0.00025 | 0.13737 | 0.02087 | 0.04573 | 0.00010 | 0.00017 | MLE | 500 | 0.00433 | 0.00056 | 0.00159 | 0.07858 | 0.01609 | 0.02719 | 0.00083 | 0.00162 | CVM | | −0.00366 | 0.00063 | 0.00049 | 0.08463 | 0.01620 | 0.03569 | 0.00054 | 0.00084 | OLS | | −0.00052 | 0.00219 | 0.00379 | 0.08610 | 0.01624 | 0.03537 | 0.00211 | 0.00362 | WLS | | 0.05027 | 0.00549 | 0.01924 | 0.09910 | 0.01746 | 0.03482 | 0.00925 | 0.01797 | ADE | | −0.00236 | 0.00106 | 0.00056 | 0.07825 | 0.01576 | 0.02909 | 0.00089 | 0.00130 | RTADE | | 0.00256 | 0.00051 | −0.00049 | 0.10415 | 0.01794 | 0.03460 | 0.00036 | 0.00061 | LTADE | | 0.00707 | 0.00099 | 0.0271 | 0.10165 | 0.01561 | 0.03387 | 0.00141 | 0.00275 |
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