corMatrix.reStruct {nlme}R Documentation

Extract Correlation Matrix from Components of an reStruct Object

Description

This method function extracts the correlation matrices corresponding to the pdMat elements of object.

Usage

corMatrix(object)

Arguments

object an object inheriting from class reStruct, representing a random effects structure and consisting of a list of pdMat objects.

Value

a list with components given by the correlation matrices corresponding to the elements of object.

Author(s)

Jose Pinheiro and Douglas Bates

See Also

as.matrix.reStruct, reStruct, pdMat

Examples

data(Orthodont)
rs1 <- reStruct(pdSymm(diag(3), ~age+Sex, data = Orthodont))
corMatrix(rs1)