Table 4 Estimated MSE for different estimators at p = 3 and \(\phi =6\).
\(\rho ^2\) | 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 | 2.90019 | 2.20724 | 1.72061 | 1.99130 | 1.45367 | 1.15795 | 0.91159 | 0.67491 | 0.48868 | 1.24105 | 0.80376 |
75 | 0.84714 | 0.54942 | 0.39919 | 0.48663 | 0.37825 | 0.30893 | 0.24367 | 0.19449 | 0.17728 | 0.25995 | 0.21300 | |
150 | 0.36724 | 0.30063 | 0.26087 | 0.28459 | 0.21971 | 0.18564 | 0.15421 | 0.12760 | 0.11351 | 0.15621 | 0.14014 | |
200 | 0.29467 | 0.23654 | 0.20356 | 0.22104 | 0.16577 | 0.14063 | 0.11804 | 0.10805 | 0.10841 | 0.11667 | 0.11084 | |
300 | 0.16791 | 0.14091 | 0.12478 | 0.13085 | 0.09982 | 0.08647 | 0.07549 | 0.07559 | 0.08026 | 0.07609 | 0.07423 | |
400 | 0.13481 | 0.12420 | 0.11571 | 0.11844 | 0.09039 | 0.07874 | 0.06856 | 0.06386 | 0.06462 | 0.06633 | 0.06554 | |
0.85 | 30 | 2.70445 | 1.97343 | 1.45363 | 1.69922 | 1.19842 | 0.94863 | 0.73445 | 0.52226 | 0.38589 | 0.97028 | 0.62825 |
75 | 0.96421 | 0.73353 | 0.59520 | 0.68536 | 0.53059 | 0.43440 | 0.35153 | 0.27059 | 0.21318 | 0.41135 | 0.31338 | |
150 | 0.41371 | 0.30945 | 0.25267 | 0.28514 | 0.21272 | 0.17604 | 0.14245 | 0.11879 | 0.11133 | 0.14395 | 0.12802 | |
200 | 0.36780 | 0.29487 | 0.25045 | 0.27571 | 0.20295 | 0.16708 | 0.13430 | 0.10385 | 0.08829 | 0.13348 | 0.11807 | |
300 | 0.21338 | 0.18539 | 0.16653 | 0.17541 | 0.13271 | 0.11217 | 0.09332 | 0.07629 | 0.06716 | 0.08944 | 0.08459 | |
400 | 0.15396 | 0.13281 | 0.11836 | 0.12368 | 0.09092 | 0.07688 | 0.06437 | 0.05658 | 0.05553 | 0.06044 | 0.05957 | |
0.90 | 30 | 6.95244 | 5.23459 | 3.92789 | 4.32501 | 2.21047 | 1.66753 | 1.29739 | 0.97659 | 0.69283 | 2.05466 | 1.16542 |
75 | 1.88609 | 1.41759 | 1.10233 | 1.30716 | 0.90559 | 0.69904 | 0.53414 | 0.37684 | 0.26102 | 0.70709 | 0.46271 | |
150 | 0.74052 | 0.50768 | 0.37802 | 0.46105 | 0.33130 | 0.26086 | 0.20057 | 0.14946 | 0.12194 | 0.21673 | 0.17339 | |
200 | 0.43575 | 0.33393 | 0.27271 | 0.31363 | 0.22773 | 0.18191 | 0.14234 | 0.10541 | 0.08278 | 0.14591 | 0.12396 | |
300 | 0.25732 | 0.20929 | 0.17918 | 0.19336 | 0.13832 | 0.11236 | 0.08858 | 0.06625 | 0.05458 | 0.08446 | 0.07674 | |
400 | 0.25021 | 0.19843 | 0.16748 | 0.18120 | 0.12670 | 0.10205 | 0.08004 | 0.06167 | 0.05381 | 0.07400 | 0.06984 | |
0.95 | 30 | 9.73192 | 7.17397 | 5.33250 | 5.87416 | 2.35866 | 1.63297 | 1.13038 | 0.71996 | 0.49419 | 2.13076 | 0.92197 |
75 | 2.80585 | 1.87235 | 1.25238 | 1.51528 | 0.90806 | 0.66265 | 0.47272 | 0.30603 | 0.21738 | 0.65863 | 0.38505 | |
150 | 1.43859 | 1.00031 | 0.70947 | 0.88018 | 0.54209 | 0.39793 | 0.28712 | 0.18951 | 0.13070 | 0.35492 | 0.23885 | |
200 | 0.84493 | 0.58278 | 0.42076 | 0.53114 | 0.34931 | 0.26018 | 0.19142 | 0.13139 | 0.09567 | 0.22258 | 0.16201 | |
300 | 0.60130 | 0.44141 | 0.34106 | 0.41020 | 0.27474 | 0.20693 | 0.15341 | 0.10421 | 0.07325 | 0.16366 | 0.12972 | |
400 | 0.38389 | 0.29919 | 0.24516 | 0.27964 | 0.18930 | 0.14532 | 0.10909 | 0.07426 | 0.05266 | 0.10918 | 0.09213 | |
0.99 | 30 | 52.69233 | 35.16393 | 22.90962 | 24.88603 | 5.10796 | 3.02614 | 1.87835 | 1.08187 | 0.63873 | 6.05239 | 1.49412 |
75 | 12.94604 | 7.31371 | 3.86940 | 4.55806 | 1.54210 | 0.96409 | 0.61110 | 0.35747 | 0.21923 | 1.36305 | 0.48390 | |
150 | 5.50229 | 4.02173 | 2.89635 | 3.37138 | 1.41976 | 0.90134 | 0.58921 | 0.35467 | 0.20141 | 1.12812 | 0.48469 | |
200 | 4.22484 | 2.78537 | 1.78618 | 2.18736 | 0.92028 | 0.57639 | 0.36450 | 0.20462 | 0.12036 | 0.62550 | 0.28512 | |
300 | 3.14565 | 1.82022 | 0.97316 | 1.27665 | 0.48990 | 0.30300 | 0.18485 | 0.09801 | 0.06276 | 0.26413 | 0.13621 | |
400 | 2.27878 | 1.46754 | 0.92196 | 1.18953 | 0.53024 | 0.33265 | 0.20825 | 0.11376 | 0.06519 | 0.28260 | 0.16051 |