Table 5 Estimated MSE for different estimators at p = 6 and \(\phi =2\).
\(\rho ^2\) | n | PIGMLE | PIGRRE | PIGGRE | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MLE | \(\hat{k}_1\) | \(\hat{k}_2\) | \(\hat{k}_3\) | \(\hat{k}_4\) | \(\hat{k}_5\) | \(\hat{K}_1\) | \(\hat{K}_2\) | \(\hat{K}_3\) | \(\hat{K}_4\) | \(\hat{K}_5\) | ||
0.80 | 30 | 3.35069 | 2.98528 | 2.67866 | 2.94989 | 2.03342 | 1.70706 | 1.40527 | 0.75811 | 0.53697 | 1.72209 | 0.83496 |
75 | 1.17938 | 0.93639 | 0.76699 | 0.92204 | 0.56131 | 0.45736 | 0.34374 | 0.14161 | 0.11721 | 0.39978 | 0.15548 | |
150 | 0.47088 | 0.41992 | 0.38250 | 0.40788 | 0.26458 | 0.22035 | 0.17135 | 0.07385 | 0.05830 | 0.18506 | 0.08185 | |
200 | 0.35761 | 0.34573 | 0.33476 | 0.34131 | 0.25489 | 0.22057 | 0.18424 | 0.09452 | 0.06781 | 0.19773 | 0.10498 | |
300 | 0.22132 | 0.20958 | 0.19933 | 0.20365 | 0.13242 | 0.11207 | 0.08846 | 0.04409 | 0.04063 | 0.08890 | 0.04669 | |
400 | 0.16608 | 0.16349 | 0.16098 | 0.16182 | 0.12188 | 0.10607 | 0.08916 | 0.04710 | 0.03606 | 0.09065 | 0.05181 | |
0.85 | 30 | 5.18336 | 4.54392 | 3.98710 | 4.37839 | 2.57827 | 2.07467 | 1.65996 | 0.83043 | 0.54828 | 2.16599 | 0.92901 |
75 | 1.37263 | 1.12642 | 0.94529 | 1.11162 | 0.69646 | 0.56443 | 0.42732 | 0.16973 | 0.12349 | 0.51496 | 0.19164 | |
150 | 0.54982 | 0.51432 | 0.48418 | 0.50807 | 0.35667 | 0.30207 | 0.24401 | 0.11025 | 0.07663 | 0.26897 | 0.12459 | |
200 | 0.42809 | 0.40186 | 0.37962 | 0.39423 | 0.27310 | 0.23014 | 0.18448 | 0.08142 | 0.05688 | 0.19967 | 0.09211 | |
300 | 0.27777 | 0.26318 | 0.25060 | 0.25653 | 0.17187 | 0.14493 | 0.11523 | 0.05345 | 0.04279 | 0.12079 | 0.05874 | |
400 | 0.19416 | 0.19021 | 0.18644 | 0.18785 | 0.13703 | 0.11808 | 0.09766 | 0.04777 | 0.03502 | 0.10085 | 0.05326 | |
0.90 | 30 | 7.89813 | 6.63853 | 5.58868 | 6.31368 | 3.75147 | 3.00520 | 2.37028 | 1.15168 | 0.74315 | 3.19024 | 1.29298 |
75 | 1.56800 | 1.42166 | 1.30084 | 1.42954 | 1.04987 | 0.89206 | 0.73807 | 0.38219 | 0.26099 | 0.87122 | 0.42526 | |
150 | 0.82835 | 0.73337 | 0.66308 | 0.72703 | 0.49254 | 0.40756 | 0.31910 | 0.13024 | 0.08668 | 0.36649 | 0.14925 | |
200 | 0.65576 | 0.61679 | 0.58272 | 0.61079 | 0.43592 | 0.36768 | 0.29864 | 0.13789 | 0.09102 | 0.33662 | 0.15637 | |
300 | 0.45124 | 0.42645 | 0.40497 | 0.41924 | 0.29151 | 0.24505 | 0.19684 | 0.08756 | 0.05895 | 0.21521 | 0.09939 | |
400 | 0.29690 | 0.28727 | 0.27816 | 0.28300 | 0.20004 | 0.16840 | 0.13583 | 0.05950 | 0.03966 | 0.14494 | 0.06792 | |
0.95 | 30 | 22.17859 | 18.49087 | 15.42387 | 17.43801 | 8.96908 | 6.93258 | 5.29576 | 2.43417 | 1.58691 | 7.99886 | 2.74114 |
75 | 3.30286 | 2.69005 | 2.21612 | 2.63372 | 1.61660 | 1.28847 | 0.96945 | 0.36613 | 0.22725 | 1.26511 | 0.42442 | |
150 | 1.71742 | 1.43479 | 1.21540 | 1.44446 | 0.90702 | 0.72071 | 0.53986 | 0.18799 | 0.11302 | 0.67734 | 0.22179 | |
200 | 1.22567 | 0.97596 | 0.79944 | 0.97891 | 0.58060 | 0.45658 | 0.33075 | 0.10130 | 0.06392 | 0.40404 | 0.12049 | |
300 | 0.88743 | 0.83390 | 0.78553 | 0.83189 | 0.58524 | 0.48308 | 0.38516 | 0.16445 | 0.09923 | 0.44785 | 0.18991 | |
400 | 0.59477 | 0.54001 | 0.49498 | 0.52972 | 0.33346 | 0.27050 | 0.20464 | 0.06987 | 0.04366 | 0.22968 | 0.08245 | |
0.99 | 30 | 56.96305 | 50.66928 | 45.23884 | 48.75429 | 27.22787 | 21.51509 | 17.03938 | 8.65323 | 5.58702 | 26.05924 | 9.66559 |
75 | 22.99812 | 19.26258 | 16.07941 | 18.43814 | 8.57154 | 6.26691 | 4.44097 | 1.48240 | 0.80892 | 7.56976 | 1.76183 | |
150 | 7.72570 | 6.54383 | 5.54156 | 6.48948 | 3.81450 | 2.90583 | 2.14274 | 0.76654 | 0.41155 | 3.18183 | 0.90842 | |
200 | 6.51381 | 5.72780 | 5.03562 | 5.70110 | 3.27868 | 2.49684 | 1.83423 | 0.64327 | 0.35857 | 2.69226 | 0.76141 | |
300 | 4.40918 | 3.69318 | 3.09365 | 3.67075 | 1.98315 | 1.48364 | 1.05112 | 0.31062 | 0.16682 | 1.51364 | 0.37694 | |
400 | 3.12077 | 2.68126 | 2.31130 | 2.72016 | 1.57603 | 1.19396 | 0.86355 | 0.27008 | 0.14135 | 1.18622 | 0.32688 |