Extract Correlation Matrix from Components of an reStruct 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.
|
Description
This method function extracts the correlation matrices
corresponding to the pdMat elements of object.Value
a list with components given by the correlation matrices
corresponding to the elements of object.Author(s)
Jose Pinheiro and Douglas BatesSee Also
as.matrix.reStruct, reStruct,
pdMatExamples
library(lme)
data(Orthodont)
rs1 <- reStruct(pdSymm(diag(3), ~age+Sex, data = Orthodont))
corMatrix(rs1)