normalize.matrix: Normalize Matrix

Description Usage Arguments Details Value Examples

Description

Normalize genetic similarity matrix.

Usage

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normalize.matrix(W, method = c("sample-variance", "diagonal",
  "diagonal-average", "none"))

Arguments

W

symmetric, positive semidefinite matrix

method

"sample-variance", "diagonal" or "diagonal-average"

Details

To calculate heritability, particularly for different genetic similarity estimators, the genetic similarity matrix needs to be properly normalized. The default way is to force sample variance of animal effect to be unit.

Value

Normalized matrix

Examples

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W <- matrix(c(1,1/2,1/2,1),2,2)
normalize.matrix(W, method="sample-variance")
normalize.matrix(W, method="diagonal")

simecek/HPQTL documentation built on May 29, 2019, 10 p.m.