Names of a pdMat Object

DESCRIPTION:

This method function returns the fist element of the Dimnames attribute of object, which contains the column names of the matrix represented by object.

USAGE:

Names(object) 
Names(object) <- value 

REQUIRED ARGUMENTS:

object
an object inheriting from class pdMat, representing a positive-definite matrix.
value
a character vector with the replacement values for the column and row names of the matrix represented by object. It must have length equal to the dimension of the matrix represented by object and, if names have been previously assigned to object, it must correspond to a permutation of the original names.

VALUE:

if object has a Dimnames attribute then the first element of this attribute is returned; otherwise NULL.

SIDE EFFECTS::

On the left side of an assignment, sets the Dimnames attribute of object to list(value, value).

SEE ALSO:

,

EXAMPLES:

pd1 <- pdSymm(~age, data = Orthodont) 
Names(pd1)