evolqg (version 0.2-2)

CalculateMatrix: Calculate Covariance Matrix from a linear model fitted with lm()

Description

Calculates covariance matrix using the maximum likelihood estimator and the model residuals.

Usage

CalculateMatrix(linear.m)

Arguments

linear.m

Linear model adjusted for original data.

Value

• Estimated covariance matrix.

References

https://github.com/lem-usp/evolqg/wiki/

Examples

data(iris)
options(contrasts=c("contr.sum","contr.poly"))
iris.lm = lm(as.matrix(iris[,1:4])~iris[,5])
cov.matrix <- CalculateMatrix(iris.lm)

#To obtain a corrlation matrix, use:
cor.matrix <- cov2cor(cov.matrix)