International Journal of Plant Genomics / 2010 / Article / Tab 3 / Methodology Report
EM Algorithm for Mapping Quantitative Trait Loci in Multivalent Tetraploids Table 3 Maximum likelihood estimates of the double reduction, recombination fraction, overall mean, additive effects, and dominant effects under different simulation scenarios in a mapping population of size 400. Numbers in parentheses are the standard errors of the estimates.
True value μ
1 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.3 0.25 0.1 0.300 0.300 1.208 0.182 0.435 0.208 1.800 2.002 −1.236 1.546 −1.574 −1.318 (0.023) (0.082) (0.933) (1.405) (1.400) (1.074) (2.357) (2.429) (2.829) (2.130) (2.744) (2.906) 0.3 0.25 0.4 0.301 0.231 1.066 0.585 0.557 0.603 0.508 0.451 0.361 0.494 0.463 0.309 (0.023) (0.078) (0.358) (0.552) (0.497) (0.532) (1.050) (0.984) (0.977) (1.115) (1.060) (0.964) 0.3 0.05 0.1 0.298 0.097 1.026 0.577 0.646 0.629 0.704 0.818 0.245 0.689 0.202 0.208 (0.023) (0.077) (0.389) (0.603) (0.637) (0.580) (1.067) (1.138) (1.206) (1.028) (1.120) (1.071) 0.3 0.05 0.4 0.299 0.050 1.014 0.626 0.553 0.639 0.525 0.442 0.458 0.507 0.575 0.414 (0.025) (0.027) (0.127) (0.245) (0.253) (0.250) (0.388) (0.435) (0.405) (0.403) (0.388) (0.350) 0.15 0.25 0.1 0.150 0.261 0.928 0.641 0.463 0.611 0.975 0.860 0.192 0.995 0.265 0.202 (0.016) (0.135) (0.510) (0.684) (0.904) (0.737) (1.372) (1.476) (1.423) (1.286) (1.458) (1.353) 0.15 0.25 0.4 0.150 0.250 1.012 0.584 0.624 0.565 0.495 0.552 0.479 0.516 0.452 0.424 (0.017) (0.060) (0.180) (0.329) (0.358) (0.326) (0.511) (0.526) (0.510) (0.558) (0.478) (0.419) 0.15 0.05 0.1 0.150 0.113 1.075 0.583 0.583 0.706 0.740 0.705 0.218 0.667 0.170 0.058 (0.017) (0.095) (0.485) (0.866) (0.846) (0.838) (1.341) (1.254) (1.322) (1.527) (1.272) (1.218) 0.15 0.05 0.4 0.150 0.049 1.014 0.526 0.654 0.607 0.531 0.572 0.547 0.406 0.425 0.482 (0.017) (0.034) (0.197) (0.307) (0.382) (0.366) (0.557) (0.511) (0.551) (0.516) (0.506) (0.483) 0.05 0.25 0.1 0.050 0.322 0.949 0.516 0.726 0.629 1.256 1.327 0.187 1.026 −0.191 −0.037 (0.010) (0.113) (0.858) (1.819) (1.626) (1.773) (2.170) (2.180) (2.155) (2.213) (2.437) (2.459) 0.05 0.25 0.4 0.050 0.250 1.007 0.610 0.652 0.551 0.404 0.562 0.481 0.480 0.457 0.545 (0.012) (0.057) (0.423) (0.664) (0.680) (0.624) (0.873) (0.789) (0.867) (0.916) (0.909) (0.991) 0.05 0.05 0.1 0.050 0.167 1.002 0.656 0.343 0.723 1.156 0.796 −0.164 1.147 0.111 −0.211 (0.011) (0.109) (0.830) (1.548) (1.553) (1.581) (2.032) (2.084) (2.157) (2.213) (1.997) (2.140) 0.05 0.05 0.4 0.051 0.054 1.025 0.591 0.608 0.635 0.512 0.459 0.518 0.469 0.477 0.450 (0.011) (0.037) (0.347) (0.637) (0.624) (0.698) (0.771) (0.895) (0.894) (0.931) (0.800) (0.770)