BMC Proceedings

Table 3 Pearson correlation between the true and predicted genomic breeding values for group bridge, MCP, lasso and SCAD for trait T3 based on systematic groups.

From: Regularized group regression methods for genomic prediction: Bridge, MCP, SCAD, group bridge, group lasso, sparse group lasso, group MCP and group SCAD

Group size	Penalty selected by AIC					Penalty selected by BIC
	Bridge	MCP	Lasso	SCAD	SGLasso	Bridge	MCP	Lasso	SCAD
1	0.811	0.818	0.818	0.796	0.807	0.812	0.813	0.814	0.716
10	0.742	0.818	0.835	0.816	0.814	0.742	0.813	0.776	0.763
20	0.776	0.818	0.814	0.794	0.814	0.766	0.813	0.742	0.735
30	0.801	0.818	0.818	0.818	0.814	0.791	0.813	0.742	0.742
40	0.812	0.818	0.804	0.797	0.814	0.790	0.813	0.725	0.725
50	0.809	0.817	0.814	0.818	0.816	0.801	0.813	0.716	0.716
60	0.825	0.817	0.802	0.813	0.817	0.808	0.813	0.712	0.712
70	0.822	0.816	0.806	0.816	0.815	0.806	0.813	0.710	0.710
80	0.824	0.816	0.795	0.788	0.816	0.807	0.813	0.686	0.686
90	0.803	0.818	0.793	0.776	0.816	0.817	0.813	0.665	0.598
100	0.820	0.817	0.791	0.764	0.797	0.760	0.813	0.776	0.665

Although listed under AIC, SGLasso used only 10-fold cross validation. The Pearson correlation for ridge regression for comparison is 0.762.

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ISSN: 1753-6561

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