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. Author manuscript; available in PMC: 2016 Feb 5.
Published in final edited form as: Psychol Aging. 2015 Sep 21;30(4):911–929. doi: 10.1037/pag0000046

Table 7.

Percent Bias, N = 500, Simulation B

Listwise
Log
CART
Prune
RF
MI
30% 50% 30% 50% 30% 50% 30% 50% 30% 50% 30% 50%
X¯2
 Linear −3.539 13.265 −.561 −.300 −1.206 1.504 −1.277 3.017 −.268 −2.303 −.602   .549
 One split −11.009 −11.891 −.066 1.011 −.228 −.056 −.196 −.148 4.392 3.425 −.466 −.723
 Two splits −2.615 −4.019 −.524 −.675   .466 −.450   .902 −.377 1.752 1.151 −.075 −.416
 Three splits −9.912 −12.207 −.781 −.836 −.067 −.204 −.019 −.686 1.328 1.498 −.429 −1.130
Y¯2
 Linear −2.029 9.398   .117   .073 −.248 1.113 −.276 2.176   .431 −1.748   .050   .351
 One split −7.623 −8.479   .501   .878   .324 −.137   .365 −.212 3.427 2.248 −.291 −.371
 Two splits −1.598 −2.848 −.166 −.102   .411 −.291   .848 −.232 1.555 1.384   .188 −.226
 Three splits −6.520 −8.206   .027   .100   .393   .226   .421 −.108 1.322 1.821   .081 −.325
σX22
 Linear −1.399 −1.511 −1.201   .163 −1.306   .025 −1.391 −.415 −.449 −.760 −1.694 −1.706
 One split −3.089 −1.447 −.135   .660 −.307   .227 −.488 −.097   .496 −.257 −1.070 −1.998
 Two splits −3.605 −4.119 −3.287 −2.269   .217 1.774   .100 1.877   .763 2.117 −.376 −1.016
 Three splits −2.389 −.929 −.341   .081   .710 −.298   .765 −.665 1.086 −.832 −.598 −1.057
σY22
 Linear −1.528 −4.661 −1.059 −.999 −.758 −2.315 −.572 −3.221   .904 −3.285 −2.132 −3.859
 One split −8.056 −4.375 2.089 1.924   .766 −1.429   .848 −1.383   .799 −2.195 −2.469 −3.490
 Two splits −10.246 −12.876 −9.938 −9.393   .827   .327 −.005 1.113 2.925 −1.016 −1.796 −3.497
 Three splits −6.431 −2.683 −1.089   .974 1.053   .362 1.470 −.183 2.164   .956 −1.693 −2.439
σX2,Y2
 Linear −1.257 −7.225 −.426   .079   .039 −1.873   .172 −3.549 2.414 −2.223 −2.283 −5.073
 One split −12.295 −6.004 2.036 3.234   .923 −1.500   .976 −1.685 1.942 −3.757 −2.415 −4.309
 Two splits −16.170 −19.752 −15.135 −13.396 1.429 1.317 −.051 2.142 3.808   .652 −1.479 −5.027
 Three splits −10.144 −5.970 −2.461 −.719 1.393 −1.654 1.905 −1.877 2.766 −2.675 −1.766 −4.876

Note. Log = logistic regression; CART = classification and regression trees; Prune = pruned CART analysis; RF = random forests; MI = multiple imputation.