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Table 5 Number of iterations in PCG of linearly equivalent ssGBLUP MME using marker matrix \({\mathbf{Z}}_m^{vR1}\) (VanRaden 1), convergence tolerance \(10^{-12}\), heritability 0.1, and diagonal preconditioning under different polygenic proportions w

From: Single-step SNP-BLUP with on-the-fly imputed genotypes and residual polygenic effects

MME

Size

Weight \({w}\)

0.00

0.01

0.10

0.20

0.30

1.00

Orig.

73,580

178

131

126

122

119

1

73,580

191

156

148

145

139

2

111,106

438

491

459

429

398

139

3

181,800

438

1732

1592

1416

1247

119

4

181,800

107

105

130

151

160

82

5

181,800

107

107

132

151

162

49

6

115,054

107

105

130

151

160

82

  1. MME, original ssGBLUP; 1, basic equivalent ssGBLUP; 2, basic RPG ssSNP-BLUP; 3, expanded RPG ssSNP-BLUP; 4, orthogonal ssSNP-BLUP; 5, orthogonal expanded ssSNP-BLUP; 6, reduced orthogonal ssSNP-BLUP