R: Matrices of an reStruct Object

as.matrix.reStruct {nlme}

R Documentation

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 `"reStruct"`, representing a random effects structure and consisting of a list of `pdMat` objects.
`...`	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)

[Package nlme version 3.1-131 Index]