| |
|
Bias (MCSD) |
| |
|
MLE method |
CECF method |
| Case |
n |
η |
µ2 |
µ1 |
 |
 |
η |
µ2 |
µ1 |
|
|
| A1 |
100 |
0.013 |
0.521 |
-0.519 |
-0.374 |
-0.383 |
-0.031 |
0.461 |
-0.363 |
-0.398 |
-0.352 |
| |
|
(0.299) |
(0.718) |
(0.664) |
(0.424) |
(0.443) |
(0.327) |
(0.636) |
(0.570) |
(0.586) |
(0.562) |
| DI = 0.1 |
200 |
0.016 |
0.394 |
-0.436 |
-0.275 |
-0.301 |
-0.008 |
0.434 |
-0.312 |
-0.338 |
-0.357 |
| |
|
(0.283) |
(0.644) |
(0.614) |
(0.414) |
(0.412) |
(0.341) |
(0.558) |
(0.510) |
(0.549) |
(0.510) |
|
500 |
0.060 |
0.254 |
-0.441 |
-0.143 |
-0.266 |
-0.007 |
0.325 |
-0.313 |
-0.321 |
-0.309 |
|
|
(0.268) |
(0.508) |
(0.590) |
(0.396) |
(0.393) |
(0.357) |
(0.538) |
(0.518) |
(0.493) |
(0.583) |
| A2 |
100 |
0.017 |
0.320 |
-0.343 |
-0.321 |
-0.327 |
-0.010 |
0.186 |
-0.183 |
-0.336 |
-0.301 |
|
|
(0.359) |
(0.759) |
(0.699) |
(0.476) |
(0.493) |
(0.336) |
(0.660) |
(0.668) |
(0.628) |
(0.988) |
| DI = 0.3 |
200 |
0.032 |
0.228 |
-0.258 |
-0.212 |
-0.221 |
0.002 |
0.117 |
-0.134 |
-0.285 |
-0.261 |
|
|
(0.301) |
(0.727) |
(0.644) |
(0.443) |
(0.524) |
(0.349) |
(0.621) |
(0.594) |
(0.587) |
(0.698) |
|
500 |
0.055 |
0.131 |
-0.236 |
-0.106 |
-0.173 |
0.001 |
0.078 |
-0.091 |
-0.257 |
-0.255 |
|
|
(0.280) |
(0.701) |
(0.608) |
(0.413) |
(0.448) |
(0.367) |
(0.540) |
(0.569) |
(0.519) |
(0.510) |
| A3 |
100 |
-0.007 |
0.196 |
-0.117 |
-0.202 |
-0.156 |
-0.009 |
0.063 |
-0.040 |
-0.228 |
-0.169 |
|
|
(0.293) |
(0.776) |
(0.689) |
(0.508) |
(0.538) |
(0.316) |
(0.698) |
(0.679) |
(0.635) |
(0.709) |
| DI = 0.55 |
200 |
-0.012 |
0.171 |
-0.079 |
-0.127 |
-0.077 |
0.005 |
0.013 |
-0.062 |
-0.146 |
-0.136 |
|
|
(0.290) |
(0.740) |
(0.638) |
(0.479) |
(0.490) |
(0.325) |
(0.645) |
(0.646) |
(0.629) |
(0.599) |
|
500 |
-0.025 |
0.131 |
-0.026 |
-0.088 |
-0.023 |
0.008 |
0.003 |
-0.035 |
-0.098 |
-0.100 |
|
|
(0.278) |
(0.605) |
(0.557) |
(0.407) |
(0.414) |
(0.301) |
(0.552) |
(0.560) |
(0.493) |
(0.474) |
| A4 |
100 |
-0.005 |
0.021 |
-0.007 |
-0.040 |
-0.024 |
-0.007 |
-0.014 |
0.038 |
-0.005 |
0.041 |
|
|
(0.177) |
(0.473) |
(0.485) |
(0.492) |
(0.501) |
(0.210) |
(0.509) |
(0.518) |
(0.680) |
(0.708) |
| DI = 0.8 |
200 |
-0.005 |
0.021 |
0.005 |
-0.013 |
0.009 |
-0.011 |
0.014 |
0.028 |
-0.013 |
0.046 |
|
|
(0.130) |
(0.342) |
(0.345) |
(0.361) |
(0.373) |
(0.151) |
(0.356) |
(0.376) |
(0.459) |
(0.502) |
|
500 |
-0.001 |
0.004 |
0.003 |
-0.002 |
0.011 |
-0.007 |
0.011 |
0.019 |
-0.010 |
0.040 |
|
|
(0.082) |
(0.206) |
(0.211) |
(0.219) |
(0.230) |
(0.095) |
(0.224) |
(0.240) |
(0.267) |
(0.301) |
|
