Extract reStruct Log-Determinants
Usage
logDet(object)
Arguments
object
|
an object inheriting from class reStruct ,
representing a random effects structure and consisting of a list of
pdMat objects.
|
Description
Calculates, for each of the pdMat
components of object
,
the logarithm of the determinant of a square-root factor.Value
a vector with the log-determinants of square-root factors of the
pdMat
components of object
.Author(s)
Jose PinheiroSee Also
reStruct
, pdMat
Examples
library(lme)
rs1 <- reStruct(list(A = pdSymm(diag(1:3), form = ~Score),
B = pdDiag(2 * diag(4), form = ~Educ)))
logDet(rs1)