corMatrix.pdMat {nlme} | R Documentation

## Extract Correlation Matrix from a pdMat Object

### Description

The correlation matrix corresponding to the positive-definite matrix represented by `object` is obtained.

### Usage

    ## S3 method for class 'pdMat':
    corMatrix(object, ...)

### Arguments

`object` | an object inheriting from class `pdMat`, representing a positive definite matrix.
`...` | some methods for this generic require additional arguments. None are used in this method.

### Value

the correlation matrix corresponding to the positive-definite matrix represented by `object`.

### Author(s)

Jose Pinheiro Jose.Pinheiro@pharma.novartis.com and Douglas Bates bates@stat.wisc.edu

### See Also

`as.matrix.pdMat`, `pdMatrix`

### Examples

    pd1 <- pdSymm(diag(1:4))
    corMatrix(pd1)

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