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evolqg

RelativeEigenanalysis

Relative Eigenanalysis

Description

Computes relative eigenvalues and eigenvectors between a pair of covariance matrices.

Usage

RelativeEigenanalysis(cov.x, cov.y, symmetric = FALSE)

Arguments

cov.x

covariance matrix
cov.y

covariance matrix
symmetric

compute symmetric eigenanalysis?

Value

list with two objects: eigenvalues and eigenvectors

Author(s)

Guilherme Garcia, Diogo Melo

References

Bookstein, F. L., and P. Mitteroecker, P. "Comparing Covariance Matrices by Relative Eigenanalysis, with Applications to Organismal Biology." Evolutionary Biology 41, no. 2 (June 1, 2014): 336-350. doi:10.1007/s11692-013-9260-5.

Examples

data(dentus)
dentus.vcv <- dlply(dentus, .(species), function(df) var(df[, -5]))

dentus.eigrel <- RelativeEigenanalysis(dentus.vcv [[1]], dentus.vcv[[5]])
evolqg

Tools for Evolutionary Quantitative Genetics

v0.2-8
MIT + file LICENSE
Authors
Ana Paula Assis, Diogo Melo, Edgar Zanella, Fabio Andrade Machado, Guilherme Garcia
Initial release
2020-11-14

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