corMatrix.reStruct           package: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:

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

