Table 1 Parameter estimates (sample means) and their standard deviations (in brackets) for 1,000 simulations, calculated using the bivariate (univariate) model applied to the joint bivariate genetic and longevity data* (***) or to the bivariate genetic data **(****)
From: Detecting genes contributing to longevity using twin data
True | Est.* | Est.** | Est.*** | Est.**** | |
|---|---|---|---|---|---|
a aa | 0.800 | 0.775 (0.219) | 0.693 (0.431) | 0.605 (0.736) | 0.614 (0.517) |
b aa | 1.200 | 1.198 (0.039) | 1.196 (0.062) | 1.261 (0.070) | 1.252 (0.065) |
ν | -2.000 | -2.009 (0.178) | -2.016 (0.180) | -1.996 (0.183) | -1.996 (0.182) |
103·δ | 5.000 | 5.066 (2.642) | 5.121 (2.660) | 4.762 (2.876) | 4.934 (2.736) |
R | 0.500 | 0.509 (0.126) | 0.514 (0.129) | 0.505 (0.131) | 0.501 (0.130) |
σ | 1.000 | 1.096 (0.520) | 1.368 (0.998) | 1.654 (1.008) | 1.538 (1.060) |
ρ MZ | 0.500 | 0.558 (0.245) | 0.539 (0.392) | - | - |
ρ DZ | 0.250 | 0.293 (0.212) | 0.358 (0.393) | - | - |
Power | - | 0.833 | 0.628 | 0.874 | 0.719 |