nlme (version 3.1-141)

logDet.pdMat: Extract Log-Determinant from a pdMat Object

Description

This method function extracts the logarithm of the determinant of a square-root factor of the positive-definite matrix represented by object.

Usage

# S3 method for pdMat
logDet(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 log-determinant of a square-root factor of the positive-definite matrix represented by object.

See Also

pdMat, logDet

Examples

# NOT RUN {
pd1 <- pdSymm(diag(1:3))
logDet(pd1)
# }

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