Table 8 The estimated residual (\(\sigma _{e}^{2}\)), trial (\(\sigma _{t}^{2}\)), replicates within trials (\(\sigma _{r}^{2}\)) and blocks within replicates within trials (\(\sigma _{b}^{2}\)) variance components, genetic variance (\(\sigma _{s}^{2}\)), heritability computed by Method M5 (H2.M5) and predictive accuracy computed by Methods M5 (PA.M5) and M7 (PA.M7), using the classical (CLS) and robust (ROB) approaches, for the maize dataset

1

\(\sigma _{e}^{2}\)

352.4962

56.0533

47.8927

49.1810

46.5067

48.6339

45.0147

47.9068

\(\sigma _{t}^{2}\)

7.5289

9.7426

6.3445

10.5256

9.1892

12.0945

8.7991

12.2285

\(\sigma _{r}^{2}\)

3.4126

3.7156

3.4067

2.9704

3.2630

3.1115

3.6797

3.0902

\(\sigma _{b}^{2}\)

0.0000

4.8448

7.9319

6.6856

8.0854

6.5774

7.7984

6.4579

\(\sigma _{s}^{2}\)

0.0008

0.0067

0.0074

0.0058

0.0096

0.0071

0.0085

0.0062

3

H2.M5

0.2573

0.8020

0.8328

0.8013

0.8634

0.8231

0.8504

0.8099

H2.OK

0.0219

0.2732

0.3139

0.2713

0.3671

0.3035

0.3420

0.2824

PA.M5

0.5073

0.8960

0.9126

0.8951

0.9292

0.9077

0.9222

0.8999

PA.M7

0.4705

0.8184

0.8338

0.8178

0.8486

0.8287

0.8426

0.8221