Matrix of a pdMat Object

as.matrix.pdMat {nlme}

R Documentation

This method function extracts the positive-definite matrix represented by x.

## S3 method for class 'pdMat'
as.matrix(x, ...)

`x`	an object inheriting from class `"pdMat"`, representing a positive-definite matrix.
`...`	further arguments passed from other methods.

a matrix corresponding to the positive-definite matrix represented by x.

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.

as.matrix(pdSymm(diag(4)))

[Package nlme version 3.1-139 Index]