Extract corStruct Log-Determinant

DESCRIPTION:

This method function extracts the logarithm of the determinant of a square-root factor of the correlation matrix associated with object , or the sum of the log-determinants of square-root factors of the list of correlation matrices associated with object .

USAGE:

logDet(object, covariate) 

REQUIRED ARGUMENTS:

object
an object inheriting from class corStruct, representing a correlation structure.

OPTIONAL ARGUMENTS:

covariate
an optional covariate vector (matrix), or list of covariate vectors (matrices), at which values the correlation matrix, or list of correlation matrices, are to be evaluated. Defaults to getCovariate(object).

VALUE:

the log-determinant of a square-root factor of the correlation matrix associated with object, or the sum of the log-determinants of square-root factors of the list of correlation matrices associated with object.

SEE ALSO:

,

EXAMPLES:

cs1 <- corAR1(0.3) 
logDet(cs1, covariate = 1:4)