: Data-Field 22004

Data-Field 22004

Description:	Heterozygosity, PCA corrected
Category:	Genomics ⏵ Genotypes ⏵ Genotyping process and sample QC
	Genomics + Genotype results, process and QC

Participants

487,921

Continuous, Fraction

Both sexes

Jan 2015

487,921

Data

Singular

May 2017

Ongoing

Derived

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Data

487,921 items of data are available, covering 487,921 participants.
Units of measurement are Fraction.

Maximum	0.222262
Decile 9	0.191825
Decile 8	0.191287
Decile 7	0.190923
Decile 6	0.19062
Median	0.190339
Decile 4	0.190057
Decile 3	0.18975
Decile 2	0.18938
Decile 1	0.188825
Minimum	0.124131

Mean = 0.190296
Std.dev = 0.00166895
3541 items below graph minimum of 0.185825
2200 items above graph maximum of 0.194825

Notes

Heterozygosity after adjusting for ancestry using principal components. This metric was used to identify outliers based on heterozygosity and missing rates. See genotype QC documentation (Resource 530) for details.

2 Related Data-Fields

Field ID	Description	Relationship
22009	Genetic principal components	Field 22009 are the principal components associated with Current Field
22003	Heterozygosity	Current Field contains the PCA corrected values of Field 22003

3 Resources

Preview	Name	Res ID
	Affymetrix laboratory processing	590
	Principal Component Analysis map by SNP	149744
	Sample processing and preparation of DNA for genotyping	807

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