pdMatrix(object, fact)
object
|
an object inheriting from class reStruct ,
representing a random effects structure and consisting of a list of
pdMat objects.
|
fact
|
an optional logical value. If TRUE , square-root
factors of the positive-definite matrices represented by the elements
of object are returned; else, if FALSE , the
positive-definite matrices are returned. Defaults to FALSE .
|
pdMat
elements of object
, or
square-root factors of the positive-definite matrices.object
, or square-root factors
of the positive-definite matrices.as.matrix.reStruct
, reStruct
,
pdMatrix.pdMat
library(lme) data(Orthodont) rs1 <- reStruct(pdSymm(diag(3), ~age+Sex, data = Orthodont)) pdMatrix(rs1)