TABLE 1

Number of possible genotypic subpopulations × environmental subpopulations × randomizations as well as the actual number of data sets (in parentheses) used for cross-validation for each of 12 possible combinations of sample size (N) and number of test environments (E) for experimental data and six possible combinations for simulated data

N
E976488244122
Experimental data
19 or 161(1)2 × 1 × 60 (120)4 × 1 × 30 (120)8 × 1 × 15 (120)
41 × 4 × 30 (120)2 × 4 × 15 (120)4 × 4 × 8 (128)8 × 4 × 4 (128)
21 × 8 × 15 (120)2 × 8 × 8 (128)4 × 8 × 4 (128)8 × 8 × 2 (128)
N
E488122
Simulated data
1610 × 1 × 16 (160)40 × 1 × 4 (160)
410 × 4 × 4 (160)40 × 4 × 1 (160)
210 × 8 × 2 (160)40 × 8 × 1 (320)

Abbreviations are as follows for all tables: CV, cross-validation; CV/GE, cross-validation accounting for genotypic and environmental sampling; DS, data set; ES, estimation set; LOD, likelihood odds ratio; MAS, marker-assisted selection; PED, experimental data reference population; PSD, simulated data reference population; QTL, quantitative trait locus/loci; TS, test set.