corMatrix.pdMat             package:nlme             R Documentation

Extract Correlation Matrix from a pdMat Object

Description:

     The correlation matrix corresponding to the positive-definite
     matrix represented by 'object' is obtained.

Usage:

     ## S3 method for class 'pdMat':
     corMatrix(object, ...)

Arguments:

  object: an object inheriting from class 'pdMat', representing a
          positive definite matrix.

     ...: some methods for this generic require additional arguments. 
          None are used in this method.

Value:

     the correlation matrix corresponding to the positive-definite
     matrix represented by 'object'.

Author(s):

     Jose Pinheiro Jose.Pinheiro@pharma.novartis.com and Douglas Bates
     bates@stat.wisc.edu

See Also:

     'as.matrix.pdMat', 'pdMatrix'

Examples:

     pd1 <- pdSymm(diag(1:4))
     corMatrix(pd1)

