| coef.pdMat {nlme} | R Documentation |
This method function extracts the coefficients associated with the
positive-definite matrix represented by object.
## S3 method for class 'pdMat' coef(object, unconstrained, ...) ## S3 replacement method for class 'pdMat' coef(object, ...) <- value
object |
an object inheriting from class |
unconstrained |
a logical value. If |
value |
a vector with the replacement values for the coefficients
associated with |
... |
some methods for this generic require additional arguments. None are used in this method. |
a vector with the coefficients corresponding to object.
On the left side of an assignment, sets the values of the coefficients
of object to value.
Jose Pinheiro and Douglas Bates
Pinheiro, J.C. and Bates., D.M. (1996) "Unconstrained Parametrizations for Variance-Covariance Matrices", Statistics and Computing, 6, 289-296.
coef(pdSymm(diag(3)))