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.
... some methods for this generic require additional arguments. None are used in this method.

Value

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

Author(s)

Jose Pinheiro Jose.Pinheiro@pharma.novartis.com and Douglas Bates bates@stat.wisc.edu

See Also

as.matrix.reStruct, reStruct, pdMat

Examples

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

[Package Contents]