logLik.varFunc: Extract varFunc logLik

Description

This method function extracts the component of a Gaussian log-likelihood associated with the variance function structure represented by object, which is equal to the sum of the logarithms of the corresponding weights.

Usage

## S3 method for class 'varFunc':
logLik(object, data)

Arguments

Value

the sum of the logarithms of the weights corresponding to the variance function structure represented by object.

Examples

Run this code

data(Orthodont)
vf1 <- varPower(form = ~age)
vf1 <- initialize(vf1, Orthodont)
coef(vf1) <- 0.1
logLik(vf1)

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