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Table 2 Pearson correlation between the true and predicted genomic breeding values for group bridge, MCP, lasso and SCAD for trait T2 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

0.756

0.790

0.826

0.810

0.841

0.828

0.837

0.827

0.795

10

0.779

0.809

0.852

0.840

0.845

0.819

0.839

0.813

0.776

20

0.762

0.809

0.844

0.833

0.845

0.818

0.838

0.779

0.780

30

0.758

0.809

0.836

0.827

0.845

0.801

0.838

0.765

0.744

40

0.710

0.810

0.818

0.788

0.845

0.790

0.838

0.735

0.688

50

0.714

0.809

0.827

0.808

0.846

0.807

0.837

0.746

0.697

60

0.708

0.808

0.810

0.804

0.843

0.810

0.837

0.738

0.708

70

0.700

0.809

0.806

0.804

0.843

0.789

0.837

0.731

0.680

80

0.702

0.809

0.811

0.800

0.844

0.790

0.837

0.735

0.641

90

0.669

0.808

0.795

0.793

0.848

0.785

0.837

0.714

0.607

100

0.704

0.808

0.803

0.792

0.841

0.798

0.837

0.808

0.632

  1. Although listed under AIC, SGLasso used only 10-fold cross validation. The Pearson correlation for ridge regression for comparison is 0.772.