Research Article
Mean Empirical Likelihood Inference for Response Mean with Data Missing at Random
Table 4
Performance of the point estimators and 95% CIs for response mean in simulation 2,
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| Model | OEL | MEL | | | | | | | | |
| | M1 | n = 20 | Bias | 0.0980 | 0.0955 | 0.0804 | 0.0980 | 0.0955 | 0.0804 | −0.0053 | 0.2177 | CP | 0.8900 | 0.8810 | 0.8840 | 0.9100 | 0.9120 | 0.9150 | 0.8530 | 0.8350 | AL | 2.3574 | 2.3634 | 2.3540 | 2.1989 | 2.2797 | 2.2196 | 2.1519 | 2.6703 | SD | 2.9416 | 2.2382 | 2.5761 | 2.1315 | 1.6258 | 1.8695 | 0.7264 | 0.8057 | n = 40 | Bias | 0.0606 | 0.0401 | 0.0268 | 0.0606 | 0.0401 | 0.0268 | 0.0019 | 0.2058 | CP | 0.9230 | 0.9210 | 0.9190 | 0.9330 | 0.9370 | 0.9330 | 0.8680 | 0.8320 | AL | 1.6724 | 1.6690 | 1.6613 | 1.4337 | 1.4539 | 1.4328 | 1.4410 | 1.8057 | SD | 2.9763 | 2.3670 | 2.6156 | 2.1302 | 1.6942 | 1.8721 | 0.5948 | 0.6646 | M2 | n = 20 | Bias | 0.1227 | 0.1117 | 0.0856 | 0.1227 | 0.1117 | 0.0856 | −0.0053 | 0.3586 | CP | 0.8790 | 0.8790 | 0.8810 | 0.9020 | 0.9150 | 0.9060 | 0.8530 | 0.8150 | AL | 2.3549 | 2.3568 | 2.3487 | 2.1940 | 2.2495 | 2.2070 | 2.1519 | 2.5743 | SD | 2.8880 | 2.3479 | 2.5898 | 2.0923 | 1.7041 | 1.8787 | 0.7264 | 0.7921 | n = 80 | Bias | 0.0811 | 0.0508 | 0.0243 | 0.0811 | 0.0508 | 0.0243 | 0.0019 | 0.3421 | CP | 0.9360 | 0.9310 | 0.9350 | 0.9440 | 0.9460 | 0.9470 | 0.8680 | 0.7940 | AL | 1.6970 | 1.6932 | 1.6876 | 1.4564 | 1.4697 | 1.4549 | 1.4410 | 1.7536 | SD | 2.9564 | 2.4705 | 2.6611 | 2.1159 | 1.7682 | 1.9046 | 0.5948 | 0.6549 | M3 | n = 20 | Bias | 0.1392 | 0.1266 | 0.1050 | 0.1392 | 0.1266 | 0.1050 | −0.0053 | 0.3263 | CP | 0.8780 | 0.8790 | 0.8810 | 0.9110 | 0.9150 | 0.9160 | 0.8530 | 0.8290 | AL | 2.3407 | 2.3431 | 2.3361 | 2.1820 | 2.2460 | 2.1991 | 2.1519 | 2.5981 | SD | 2.8894 | 2.2687 | 2.5650 | 2.0932 | 1.6466 | 1.8604 | 0.7264 | 0.7947 | n = 80 | Bias | 0.0918 | 0.0650 | 0.0437 | 0.0918 | 0.0650 | 0.0437 | 0.0019 | 0.3066 | CP | 0.9290 | 0.9280 | 0.9320 | 0.9390 | 0.9460 | 0.9430 | 0.8680 | 0.8030 | AL | 1.6750 | 1.6684 | 1.6629 | 1.4372 | 1.4516 | 1.4344 | 1.4410 | 1.7434 | SD | 2.9589 | 2.3867 | 2.6183 | 2.1177 | 1.7083 | 1.8740 | 0.5948 | 0.6531 |
| | M1 | n = 20 | Bias | 0.0991 | 0.0980 | 0.0789 | 0.0991 | 0.0980 | 0.0789 | −0.0057 | 0.2874 | CP | 0.8750 | 0.8730 | 0.8770 | 0.8970 | 0.9150 | 0.9040 | 0.8580 | 0.8330 | AL | 2.6330 | 2.6399 | 2.6297 | 2.4551 | 2.5450 | 2.4793 | 2.3812 | 2.9765 | SD | 3.3056 | 2.5042 | 2.8798 | 2.3965 | 1.8204 | 2.0915 | 0.7651 | 0.8508 | n = 40 | Bias | 0.0666 | 0.0452 | 0.0262 | 0.0666 | 0.0452 | 0.0262 | −0.0068 | 0.2749 | CP | 0.9020 | 0.9150 | 0.9110 | 0.9100 | 0.9350 | 0.9290 | 0.8580 | 0.8030 | AL | 1.9021 | 1.8972 | 1.8912 | 1.6299 | 1.6517 | 1.6316 | 1.6631 | 2.0389 | SD | 3.4267 | 2.6980 | 2.9757 | 2.4527 | 1.9313 | 2.1300 | 0.6389 | 0.7060 | M2 | n = 20 | Bias | 0.1265 | 0.1133 | 0.0843 | 0.1265 | 0.1133 | 0.0843 | −0.0057 | 0.4260 | CP | 0.8950 | 0.9000 | 0.9000 | 0.9190 | 0.9270 | 0.9250 | 0.8580 | 0.7880 | AL | 2.6613 | 2.6589 | 2.6522 | 2.4787 | 2.5309 | 2.4908 | 2.3812 | 2.8391 | SD | 3.2597 | 2.6807 | 2.9323 | 2.3636 | 1.9468 | 2.1283 | 0.7651 | 0.8321 | n = 40 | Bias | 0.0892 | 0.0567 | 0.0244 | 0.0892 | 0.0567 | 0.0244 | −0.0068 | 0.4145 | CP | 0.9230 | 0.9230 | 0.9190 | 0.9340 | 0.9350 | 0.9360 | 0.8580 | 0.7650 | AL | 1.9339 | 1.9289 | 1.9246 | 1.6591 | 1.6722 | 1.6590 | 1.6631 | 1.9615 | SD | 3.3837 | 2.8391 | 3.0365 | 2.4220 | 2.0323 | 2.1735 | 0.6389 | 0.6934 | M3 | n = 20 | Bias | 0.1646 | 0.1477 | 0.1237 | 0.1646 | 0.1477 | 0.1237 | −0.0057 | 0.4220 | CP | 0.8830 | 0.8730 | 0.8790 | 0.9020 | 0.9100 | 0.9070 | 0.8580 | 0.8010 | AL | 2.5971 | 2.5984 | 2.5888 | 2.4225 | 2.4859 | 2.4314 | 2.3812 | 2.8912 | SD | 3.2057 | 2.5433 | 2.8497 | 2.3243 | 1.8481 | 2.0690 | 0.7651 | 0.8394 | n = 40 | Bias | 0.1091 | 0.0742 | 0.0478 | 0.1091 | 0.0742 | 0.0478 | −0.0068 | 0.3910 | CP | 0.9110 | 0.9110 | 0.9140 | 0.9270 | 0.9400 | 0.9310 | 0.8580 | 0.7740 | AL | 1.9105 | 1.9025 | 1.8980 | 1.6388 | 1.6541 | 1.6372 | 1.6631 | 2.0048 | SD | 3.3896 | 2.7397 | 2.9884 | 2.4262 | 1.9612 | 2.1392 | 0.6389 | 0.7006 |
| | M1 | n = 20 | Bias | 0.1580 | 0.1465 | 0.1176 | 0.1580 | 0.1465 | 0.1176 | −0.0058 | 0.4920 | CP | 0.8800 | 0.8690 | 0.8780 | 0.9070 | 0.9030 | 0.9090 | 0.8560 | 0.8150 | AL | 3.2556 | 3.2475 | 3.2379 | 3.0391 | 3.1207 | 3.0446 | 2.9838 | 3.7143 | SD | 4.0892 | 3.1324 | 3.5685 | 2.9687 | 2.2847 | 2.5988 | 0.8565 | 0.9512 | n = 40 | Bias | 0.1102 | 0.0826 | 0.0527 | 0.1102 | 0.0826 | 0.0527 | −0.0046 | 0.4445 | CP | 0.9180 | 0.9120 | 0.9140 | 0.9290 | 0.9270 | 0.9290 | 0.8630 | 0.7860 | AL | 2.3729 | 2.3659 | 2.3596 | 2.0330 | 2.0576 | 2.0355 | 2.0905 | 2.5668 | SD | 4.3127 | 3.3914 | 3.7184 | 3.0879 | 2.4292 | 2.6629 | 0.7166 | 0.7921 | M2 | n = 20 | Bias | 0.1523 | 0.1363 | 0.0973 | 0.1523 | 0.1363 | 0.0973 | −0.0058 | 0.6213 | CP | 0.8960 | 0.8920 | 0.8910 | 0.9210 | 0.9240 | 0.9310 | 0.8560 | 0.7880 | AL | 3.3218 | 3.3080 | 3.3102 | 3.0877 | 3.1327 | 3.1067 | 2.9838 | 3.5378 | SD | 4.0869 | 3.4004 | 3.6695 | 2.9676 | 2.4738 | 2.6672 | 0.8565 | 0.9286 | n = 40 | Bias | 0.1219 | 0.0935 | 0.0426 | 0.1219 | 0.0935 | 0.0426 | −0.0046 | 0.6363 | CP | 0.9200 | 0.9200 | 0.9270 | 0.9310 | 0.9320 | 0.9320 | 0.8630 | 0.7240 | AL | 2.4278 | 2.4195 | 2.4158 | 2.0826 | 2.0947 | 2.0818 | 2.0905 | 2.4501 | SD | 4.2839 | 3.6014 | 3.8182 | 3.0675 | 2.5793 | 2.7343 | 0.7166 | 0.7754 | M3 | n = 20 | Bias | 0.2194 | 0.2007 | 0.1642 | 0.2194 | 0.2007 | 0.1642 | −0.0058 | 0.6914 | CP | 0.8700 | 0.8560 | 0.8690 | 0.8990 | 0.8900 | 0.9030 | 0.8560 | 0.7650 | AL | 3.2062 | 3.1934 | 3.1938 | 2.9879 | 3.0523 | 3.0051 | 2.9838 | 3.5663 | SD | 3.9945 | 3.1661 | 3.5255 | 2.9018 | 2.3080 | 2.5661 | 0.8565 | 0.9324 | n = 40 | Bias | 0.1856 | 0.1361 | 0.0911 | 0.1856 | 0.1361 | 0.0911 | −0.0046 | 0.6684 | CP | 0.9200 | 0.9100 | 0.9180 | 0.9400 | 0.9330 | 0.9350 | 0.8630 | 0.7210 | AL | 2.3662 | 2.3524 | 2.3495 | 2.0292 | 2.0416 | 2.0258 | 2.0905 | 2.5127 | SD | 4.2445 | 3.4271 | 3.7071 | 3.0391 | 2.4546 | 2.6548 | 0.7166 | 0.7847 |
| | M1 | n = 20 | Bias | 0.2201 | 0.2048 | 0.1692 | 0.2201 | 0.2048 | 0.1692 | 0.0042 | 0.8355 | CP | 0.8470 | 0.8410 | 0.8440 | 0.8740 | 0.8770 | 0.8840 | 0.8400 | 0.7960 | AL | 4.2359 | 4.2035 | 4.2082 | 3.9467 | 4.0136 | 3.9594 | 4.0717 | 5.0903 | SD | 5.3800 | 4.1687 | 4.6843 | 3.9171 | 3.0545 | 3.4230 | 0.9983 | 1.1108 | n = 40 | Bias | 0.1813 | 0.1383 | 0.0916 | 0.1813 | 0.1383 | 0.0916 | −0.0020 | 0.7745 | CP | 0.9200 | 0.9100 | 0.9210 | 0.9310 | 0.9340 | 0.9380 | 0.8580 | 0.7410 | AL | 3.0360 | 3.0211 | 3.0169 | 2.6021 | 2.6244 | 2.6029 | 2.7111 | 3.2838 | SD | 5.5618 | 4.3777 | 4.7587 | 3.9845 | 3.1381 | 3.4099 | 0.8163 | 0.8960 | M2 | n = 20 | Bias | 0.1914 | 0.1790 | 0.1246 | 0.1914 | 0.1790 | 0.1246 | −0.0093 | 0.9730 | CP | 0.9070 | 0.8890 | 0.9110 | 0.9280 | 0.9230 | 0.9310 | 0.8640 | 0.7640 | AL | 4.2705 | 4.2472 | 4.2587 | 3.9727 | 4.0115 | 3.9929 | 3.8611 | 4.5488 | SD | 5.3181 | 4.4389 | 4.7489 | 3.8693 | 3.2383 | 3.4595 | 0.9743 | 1.0532 | n = 40 | Bias | 0.1519 | 0.1380 | 0.0644 | 0.1519 | 0.1380 | 0.0644 | −0.0020 | 0.9899 | CP | 0.9150 | 0.9160 | 0.9200 | 0.9330 | 0.9310 | 0.9390 | 0.8580 | 0.6760 | AL | 3.1334 | 3.1201 | 3.1183 | 2.6876 | 2.6998 | 2.6878 | 2.7111 | 3.1629 | SD | 5.6144 | 4.6827 | 4.9336 | 4.0228 | 3.3566 | 3.5354 | 0.8163 | 0.8809 | M3 | n = 20 | Bias | 0.2897 | 0.2575 | 0.2094 | 0.2897 | 0.2575 | 0.2094 | −0.0093 | 1.1480 | CP | 0.8500 | 0.8490 | 0.8640 | 0.8830 | 0.8710 | 0.8920 | 0.8640 | 0.7380 | AL | 4.1124 | 4.0760 | 4.0890 | 3.8351 | 3.8662 | 3.8430 | 3.8611 | 4.5670 | SD | 5.1916 | 4.1105 | 4.5624 | 3.7832 | 3.0098 | 3.3325 | 0.9743 | 1.0546 | n = 40 | Bias | 0.2669 | 0.2032 | 0.1309 | 0.2669 | 0.2032 | 0.1309 | −0.0020 | 1.1346 | CP | 0.9030 | 0.9050 | 0.9190 | 0.9230 | 0.9210 | 0.9340 | 0.8580 | 0.6430 | AL | 3.0494 | 3.0194 | 3.0215 | 2.6178 | 2.6196 | 2.6073 | 2.7111 | 3.1736 | SD | 5.5468 | 4.4192 | 4.7703 | 3.9751 | 3.1687 | 3.4189 | 0.8163 | 0.8827 |
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