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Table 2 Number of SNPs per chromosome in the 50K, 3K and 7K SNP panels and the accuracy of imputation based on 3K and 7K panels with PLSR and Beagle

From: Use of partial least squares regression to impute SNP genotypes in Italian Cattle breeds

 

Number of SNP

 

Imputation accuracy (PLSR)

Imputation accuracy (Beagle)

Chromosome

50K

3K

7K

 

3K

7K

3K

7K

1

2814

146

320

 

0.916

0.953

0.876

0.919

2

2294

119

277

 

0.911

0.951

0.863

0.922

3

2191

107

261

 

0.897

0.944

0.846

0.898

4

2123

106

237

 

0.903

0.941

0.861

0.908

5

1812

107

233

 

0.912

0.948

0.872

0.912

6

2164

109

254

 

0.908

0.953

0.867

0.914

7

1876

95

215

 

0.908

0.949

0.858

0.915

8

2026

104

232

 

0.919

0.953

0.872

0.915

9

1708

92

214

 

0.904

0.949

0.851

0.909

10

1841

97

209

 

0.909

0.946

0.872

0.915

11

1913

91

222

 

0.901

0.947

0.862

0.914

12

1408

85

175

 

0.903

0.942

0.856

0.899

13

1486

75

166

 

0.910

0.949

0.860

0.911

14

1453

70

166

 

0.897

0.945

0.850

0.912

15

1427

74

167

 

0.898

0.945

0.864

0.915

16

1337

74

160

 

0.910

0.950

0.864

0.913

17

1367

65

156

 

0.888

0.936

0.842

0.900

18

1147

59

136

 

0.877

0.924

0.825

0.884

19

1164

56

143

 

0.878

0.935

0.827

0.895

20

1351

70

172

 

0.921

0.960

0.886

0.933

21

1170

58

134

 

0.881

0.934

0.832

0.899

22

1087

57

133

 

0.894

0.941

0.849

0.900

23

919

47

118

 

0.887

0.938

0.842

0.895

24

1072

54

135

 

0.888

0.941

0.842

0.903

25

831

41

109

 

0.865

0.926

0.816

0.887

26

905

45

102

 

0.889

0.931

0.841

0.890

27

834

41

100

 

0.872

0.924

0.832

0.890

28

806

46

99

 

0.871

0.922

0.826

0.879

29

901

47

110

 

0.875

0.934

0.828

0.888

Total SNP

43427

2237

5155

Mean

0.896

0.942

0.851

0.905