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. |
a matrix corresponding to the positive-definite matrix represented by
x
.
Jose Pinheiro Jose.Pinheiro@pharma.novartis.com and Douglas Bates bates@stat.wisc.edu
as.matrix(pdSymm(diag(4)))