Research Article
Interval Estimation for Extreme Value Parameter with Censored Data
Table 1
Simulation results, empirical coverage probability (ECP) and empirical mean length (EML) of 95% confidence intervals of and .
| | | | ECP | EML | Censoring | | Method | | | | |
| 20% | 20 | 1 (2) | 94.0 | 87.8 (91.2) | 0.9508 | 0.7566 (0.7770) | LR | 94.4 | 93.4 | 1.0217 | 0.8167 | 50 | 1 (2) | 94.0 | 93.8 (94.2) | 0.6233 | 0.4948 (0.5000) | LR | 93.4 | 94.4 | 0.6335 | 0.5100 | 100 | 1 (2) | 94.6 | 92.6 (93.0) | 0.4379 | 0.3458 (0.3476) | | LR | 93.8 | 92.6 | 0.4348 | 0.3510 |
| 30% | 20 | 1 (2) | 95.6 | 89.4 (92.6) | 1.0412 | 0.8303 (0.8564) | LR | 95.2 | 94.2 | 1.1397 | 0.9081 | 50 | 1 (2) | 95.4 | 93.4 (94.4) | 0.6604 | 0.5245 (0.5308) | LR | 95.2 | 94.6 | 0.6764 | 0.5431 | 100 | 1 (2) | 94.8 | 92.8 (94.4) | 0.4657 | 0.3696 (0.3718) | LR | 93.4 | 94.2 | 0.4647 | 0.3760 |
| 40% | 20 | 1 (2) | 93.4 | 88.4 (91.0) | 1.1755 | 0.9163 (0.9520) | LR | 93.6 | 93.0 | 1.2944 | 1.0241 | 50 | 1 (2) | 93.4 | 93.2 (95.0) | 0.7226 | 0.5659 (0.5738) | LR | 93.0 | 95.0 | 0.7469 | 0.5898 | 100 | 1 (2) | 94.6 | 92.6 (94.0) | 0.5101 | 0.3999 (0.4026) | LR | 93.8 | 94.2 | 0.5118 | 0.4081 |
| 50% | 20 | 1 (2) | 91.6 | 88.4 (92.8) | 1.3248 | 0.9886 (1.0345) | LR | 94.2 | 93.4 | 1.4620 | 1.1317 | 50 | 1 (2) | 94.2 | 90.0 (92.0) | 0.8143 | 0.6132 (0.6236) | LR | 94.8 | 93.8 | 0.8524 | 0.6451 | 100 | 1 (2) | 94.8 | 95.0 (95.4) | 0.5909 | 0.4471 (0.4508) | LR | 94.0 | 95.2 | 0.5983 | 0.4584 |
| 60% | 20 | 1 (2) | 92.8 | 87.8 (93.0) | 1.6431 | 1.1305 (1.2012) | LR | 94.6 | 94.0 | 1.7439 | 1.3587 | 50 | 1 (2) | 94.8 | 93.8 (94.4) | 1.0082 | 0.7065 (0.7219) | LR | 94.8 | 95.0 | 1.0733 | 0.7500 | 100 | 1 (2) | 95.0 | 94.0 (94.8) | 0.6803 | 0.4822 (0.4871) | LR | 93.4 | 95.4 | 0.6954 | 0.4975 |
| 70% | 20 | 1 (2) | 89.8 | 87.2 (91.4) | 2.2459 | 1.3388 (1.4785) | LR | 94.0 | 93.6 | 2.0291 | 1.8666 | 50 | 1 (2) | 94.4 | 92.0 (92.6) | 1.2435 | 0.7913 (0.8140) | LR | 93.6 | 93.2 | 1.3256 | 0.8641 | 100 | 1 (2) | 92.8 | 91.0 (93.2) | 0.8572 | 0.5503 (0.5576) | LR | 93.6 | 94.2 | 0.8894 | 0.5739 |
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