nlme (version 3.1-68.1)

logDet.reStruct: Extract reStruct Log-Determinants

Description

Calculates, for each of the pdMat components of object, the logarithm of the determinant of a square-root factor.

Usage

## S3 method for class 'reStruct':
logDet(object, \dots)

Arguments

object

an object inheriting from class reStruct, representing a random effects structure and consisting of a list of pdMat objects.

...

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

Value

• a vector with the log-determinants of square-root factors of the pdMat components of object.

See Also

reStruct, pdMat

Examples

rs1 <- reStruct(list(A = pdSymm(diag(1:3), form = ~Score),
  B = pdDiag(2 * diag(4), form = ~Educ)))
logDet(rs1)