Review Article

The Current and Future Use of Ridge Regression for Prediction in Quantitative Genetics

Table 2

Summary statistics of for the full set of observed log-ratios and for the subset excluding log-ratios outside , and for the full set and for the subset excluding observations for which . Results stem from all combinations of the levels of the factors in the simulation design, with 21 replications per combination.

Outcome Restriction Count (% total) Mean Var. Min Max

None1,305,360(100.0%)0.0650.403āˆ’22.220.7
1,254,168(96.1%)0.0600.041āˆ’1.001.00

None1,305,360(100.0%)0.1770.0580.0000.997
<1,239,721(95.0%)0.1600.0510.0000.997