Figure 3.
Simulation Results under Misspecified Models
Bias, standard error, and mean square error for weighted and unweighted methods as a function of the interaction between the genotype and age when the correlation between the sampling variable and the trait of interest is 0.2 (left side) and as a function of the correlation between the sampling variable and the trait of interest when the interaction between the genotype and age is 0.005 (right side). The estimates of the bias are indistinguishable among W-PS, UW-M, UW-C, and UW-P, and the estimates of the mean square error are indistinguishable among UW-M, UW-C, and UW-P.