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

## S3 method for class 'reStruct':
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

rs1 <- reStruct(pdSymm(diag(3), ~age+Sex, data = Orthodont))
corMatrix(rs1)
[Package nlme version 3.1-66 Index]