Table 2.

Optimal lambda (${\lambda }_{\mathit{optimal}}$) and Mean Squared Error for each group comparison.

	0/1	0/2	1/2	0/1/2
${\lambda }_{\mathit{optimal}}$	0.0184	0.0985	0.0511	0.0365
Mean Squared Error	0.1291	0.4020	0.2081	0.2969