Table 6 Number of iterations in PCG of linearly equivalent MME using marker matrix \({\mathbf{Z}}_m^{-1,0,1}\) (−1,0,1 encoding), convergence tolerance \(10^{-12}\), heritability 0.5, and no preconditioning under different polygenic proportions w

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