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Table 2 Average imputation accuracy (r) from segregation analysis of 1344 individuals for scenarios Real and SireMGS for different categories of individuals

From: Imputation of non-genotyped individuals based on genotyped relatives: assessing the imputation accuracy of a real case scenario in dairy cattle

 

Real

SireMGS

Category

n

r

sd2

n

r

sd

Both parents

14

0.72

0.08

43

0.73

0.07

SireMGS

62

0.61

0.13

1,258

0.60

0.12

DamPGS

6

0.63

0.08

0

-

-

Sire

241

0.59

0.13

24

0.54

0.14

Dam

23

0.70

0.09

0

-

-

Other

998

0.42

0.22

19

0.35

0.28

Total

1,344

0.47

0.22

1,344

0.60

0.13

runcorrected1

1,344

0.80

0.06

1,344

0.84

0.04

  1. Average imputation accuracies were split into categories of the closest recent ancestor genotyped and calculated over 10 replications; 1mean of imputation accuracy calculated as the correlation between true genotypes and imputed genotype dosages, both uncorrected for the mean gene content; 2standard deviation.
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Genetics Selection Evolution

ISSN: 1297-9686