nlme (version 3.1-1)

as.matrix.reStruct: Matrices of an reStruct Object

Description

This method function extracts the positive-definite matrices corresponding to the pdMat elements of object.

Usage

as.matrix(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 positive-definite matrices corresponding to the elements of object.

See Also

as.matrix.pdMat, reStruct, pdMat

Examples

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