Column

Variable name

Content

Rang of variable

Remark

1

Population

The population/group name

CEU60, CHB45, JPT45, YRI60, Asian90, HapMap210, TWN367, Asian457, and Combination577

The number of samples (#samples) in a population/group is shown followed by the population/group name.

2

Chr

The chromosome index

X = 1, 2, …, 23

1-22: autosomes, 23: X chromosome

3

SNP_num

The number of SNPs

X = 1, 2, 3, …, #SNPs

Affymetrix 100K: #SNPs = 116,204;
Affymetrix 500K: #SNPs = 500,568.

4

Probe_set

The probe sets of SNPs

Nil

 

5

Position

The physical positions of SNPs

X ≥ 0

 

6

Genotype

The genotypes of SNPs

AT, AC, AG, CT, CG, GT

 

7

Location

The gene location of SNPs

INTRON, 3UTR, 5UTR, upstream, downstream, and CDS

 

8

GCR

The genotyping call rates of SNPs

0 ≤ X ≤ 1

 

9

AF

The allele frequencies of SNPs

0 ≤ X ≤ 1

 

10

Heterozygosity

The degree of locus heterozygosity of SNPs

0 ≤ X ≤ 1

 

11

P_HWE

P-value of HWE test w.o. adjusting multiple tests

0 ≤ X ≤ 1

 

12

N_heterozygous

The number of heterozygous individuals

0 ≤ X ≤ #samples

 

13

CPA(H)

The arithmetic CPA

X ≥ 0

Hoogendoorn et al (2000, HG)

14

SE_CPA(H)

The standard error of the arithmetic CPA estimate

X ≥ 0

 

15

CPA(U)

The unbiased CPA

X ≥ 0

Yang et al (2005, Genetics)

16

SE_CPA(U)

The standard error of the unbiased CPA estimate

X ≥ 0

 

17

CPA(G)

The geometric CPA

X ≥ 0

Yang et al (2005, Genetics)

18

SE_CPA(G)

The standard error of the geometric CPA estimate

X ≥ 0