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Article

The Dimensionality of Genomic Information and Its Effect on Genomic Prediction.

Genetics - 1 May 2016

Pocrnic Ivan, Lourenco Daniela A L, Masuda Yutaka, Legarra Andres, Misztal Ignacy

Abstract excerpt

The genomic relationship matrix (GRM) can be inverted by the algorithm for proven and young (APY) based on recursion on a random subset of animals. While a regular inverse has a cubic cost, the cost of the APY inverse can be close to linear. Theory for the APY assumes that the optimal size of the subset (maximizing accuracy of genomic predictions) is due to a limited dimensionality of the GRM, which is a function...

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Identifiers

PMID: 26944916
DOI: 10.1534/genetics.116.187013
PMCID: PMC4858800

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