Table 2.
True value |
Proposed NPMLE |
Proposed PMLE |
j = 2 as Censored | j = 1 as Censored | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NPMLE | PMLE | NPMLE | PMLE | |||||||||||
Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |||
500 clusters | ||||||||||||||
β1 | 0.5 | 0.4790 | 0.2875 | 0.4881 | 0.3674 | 0.2857 | 0.3420 | 0.3293 | 0.3652 | – | – | – | – | |
β2 | 2.5 | 2.4720 | 0.2792 | 2.4850 | 0.2323 | – | – | – | – | 2.4610 | 0.2709 | 2.5110 | 0.2383 | |
1.0 | 1.0000 | 0.3724 | 1.0490 | 0.3491 | 0.9384 | 0.3878 | 1.1420 | 0.4038 | – | – | – | – | ||
1.5 | 1.4590 | 0.3369 | 1.4850 | 0.2362 | – | – | – | – | 1.4340 | 0.3209 | 1.5330 | 0.2458 | ||
ρ12 | 0.5 | 0.4833 | 0.2132 | 0.4878 | 0.2059 | – | – | – | – | – | – | – | – | |
ψ1 | 1.0 | – | – | 1.0110 | 0.2252 | – | – | 0.9352 | 0.2240 | – | – | – | – | |
ψ2 | 1.0 | – | – | 1.0280 | 0.1797 | – | – | – | – | – | – | 0.7330 | 0.1758 | |
Λ01(0.10) | 0.10 | 0.1002 | 0.0243 | 0.1011 | 0.0225 | 0.1013 | 0.0257 | 0.0935 | 0.0224 | – | – | – | – | |
Λ01(0.15) | 0.15 | 0.1497 | 0.0347 | 0.1516 | 0.0338 | 0.1466 | 0.0358 | 0.1403 | 0.0336 | – | – | – | – | |
Λ01(0.20) | 0.20 | 0.1969 | 0.0447 | 0.2022 | 0.0450 | 0.1883 | 0.0446 | 0.1870 | 0.0448 | – | – | – | – | |
Λ01(0.25) | 0.25 | 0.2397 | 0.0559 | 0.2527 | 0.0563 | 0.2253 | 0.0541 | 0.2338 | 0.0560 | – | – | – | – | |
Λ02(0.10) | 0.10 | 0.1036 | 0.0212 | 0.1028 | 0.0179 | – | – | – | – | 0.1013 | 0.0210 | 0.0973 | 0.0176 | |
Λ02(0.15) | 0.15 | 0.1529 | 0.0289 | 0.1542 | 0.0269 | – | – | – | – | 0.1479 | 0.0284 | 0.1460 | 0.0264 | |
Λ02(0.20) | 0.20 | 0.2025 | 0.0379 | 0.2056 | 0.0359 | – | – | – | – | 0.1939 | 0.0368 | 0.1947 | 0.0352 | |
Λ02(0.25) | 0.25 | 0.2493 | 0.0464 | 0.2570 | 0.0449 | – | – | – | – | 0.2367 | 0.0442 | 0.2433 | 0.0439 | |
1000 clusters | ||||||||||||||
β1 | 0.5 | 0.5008 | 0.2636 | 0.4971 | 0.2567 | 0.3080 | 0.2563 | 0.3423 | 0.2619 | – | – | – | – | |
β2 | 2.5 | 2.4890 | 0.1817 | 2.4960 | 0.1751 | – | – | – | – | 2.4790 | 0.1814 | 2.5230 | 0.1782 | |
1.0 | 0.9558 | 0.2765 | 0.9656 | 0.2508 | 0.8838 | 0.2892 | 1.0640 | 0.2856 | – | – | – | – | ||
1.5 | 1.4770 | 0.2002 | 1.4890 | 0.1495 | – | – | – | – | 1.4510 | 0.2017 | 1.5360 | 0.1542 | ||
ρ12 | 0.5 | 0.5014 | 0.1499 | 0.4943 | 0.1412 | – | – | – | – | – | – | – | – | |
ψ1 | 1.0 | – | – | 1.0150 | 0.1637 | – | – | 0.9330 | 0.1555 | – | – | – | – | |
ψ2 | 1.0 | – | – | 1.0070 | 0.1232 | – | – | – | – | – | – | 0.9633 | 0.1171 | |
Λ01(0.10) | 0.10 | 0.1011 | 0.0179 | 0.1018 | 0.0164 | 0.1007 | 0.0183 | 0.0933 | 0.0155 | – | – | – | – | |
Λ01(0.15) | 0.15 | 0.1512 | 0.0258 | 0.1527 | 0.0246 | 0.1461 | 0.0254 | 0.1399 | 0.0233 | – | – | – | – | |
Λ01(0.20) | 0.20 | 0.2006 | 0.0333 | 0.2036 | 0.0328 | 0.1891 | 0.0316 | 0.1866 | 0.0311 | – | – | – | – | |
Λ01(0.25) | 0.25 | 0.2465 | 0.0423 | 0.2545 | 0.0410 | 0.2282 | 0.0386 | 0.2333 | 0.0389 | – | – | – | – | |
Λ02(0.10) | 0.10 | 0.1014 | 0.0129 | 0.1017 | 0.0122 | – | – | – | – | 0.0990 | 0.0126 | 0.0963 | 0.0117 | |
Λ02(0.15) | 0.15 | 0.1524 | 0.0185 | 0.1525 | 0.0183 | – | – | – | – | 0.1471 | 0.0179 | 0.1444 | 0.0176 | |
Λ02(0.20) | 0.20 | 0.2019 | 0.0249 | 0.2034 | 0.0244 | – | – | – | – | 0.1929 | 0.0239 | 0.1927 | 0.0234 | |
Λ02(0.25) | 0.25 | 0.2513 | 0.0315 | 0.2543 | 0.0305 | – | – | – | – | 0.2380 | 0.0298 | 0.2408 | 0.0293 |