Table 2. Cross validated heritability of the traits derived by different methods in the experiments without covariates (results are presented in rows from 2 to 5) and with covariates (results are presented in rows 6 and 7).

Method	10 features	20 features	30 features	40 features	50 features
Proposed	0.777(0.009)	0.724(0.027)	0.707(0.018)	0.717(0.021)	0.670(0.024)
Anova	0.638(0.063)	0.581(0.043)	0.430(0.042)	0.551(0.050)	0.447(0.060)
Ott	0.378(0.049)	0.465(0.080)	0.292(0.048)	0.398(0.036)	0.352(0.065)
ML	0.755(0.020)	0.046(0.032)	–	–	–
Proposed	0.775(0.010)	0.735(0.023)	0.738(0.030)	0.708(0.031)	0.644(0.051)
ML	0.708(0.097)	0.044(0.037)	–	–	–

The “–” sign indicates that those experiments were infeasible due to prohibitive computation cost.