corMatrix.reStruct {nlme}

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)

José Pinheiro and Douglas Bates [e-mail]

See Also

as.matrix.reStruct, corMatrix, reStruct, pdMat

Examples

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