as.matrix.reStruct {nlme} | R Documentation |
This method function extracts the positive-definite matrices
corresponding to the pdMat
elements of object
.
as.matrix(object)
object |
an object inheriting from class reStruct ,
representing a random effects structure and consisting of a list of
pdMat objects. |
a list with components given by the positive-definite matrices
corresponding to the elements of object
.
Jose Pinheiro and Douglas Bates
as.matrix.pdMat
, reStruct
,
pdMat
data(Orthodont) rs1 <- reStruct(pdSymm(diag(3), ~age+Sex, data = Orthodont)) as.matrix(rs1)