. Author manuscript; available in PMC: 2010 Jan 14.

Published in final edited form as: J R Stat Soc Series B Stat Methodol. 2009 Feb 20;71(3):615–636. doi: 10.1111/j.1467-9868.2009.00699.x

Table 7.

Making use of observations w/o response values: Results. Mean squared prediction errors are averaged over 500 simulations; standard errors are shown in parentheses.

Method	Mean Squared Prediction Error
Scout(1, ·) w/Additional Obs.	25.65 (0.38)
Scout(1, ·) w/o Additional Obs.	29.92 (0.62)
ENet	32.38 (1.04)
Lasso	47.24 (3.58)
Σ⁻¹Cov(X, y)	86.66 (2.07)
Least Squares	1104.9 (428.84)
Null Model	79.24 (0.3)