Matrices of an reStruct Object
This method function extracts the positive-definite matrices
corresponding to the pdMat
elements of object
.
## S3 method for class 'reStruct' as.matrix(x, ...)
x |
an object inheriting from class |
... |
further arguments passed from other methods. |
a list with components given by the positive-definite matrices
corresponding to the elements of object
.
José Pinheiro and Douglas Bates bates@stat.wisc.edu
Pinheiro, J. C. and Bates, D. M. (2000), Mixed-Effects Models in S and S-PLUS, Springer, New York.
rs1 <- reStruct(pdSymm(diag(3), ~age+Sex, data = Orthodont)) as.matrix(rs1)
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