logLik.gnls {nlme}R Documentation

Log-Likelihood of a gnls Object

Description

Returns the log-likelihood value of the nonlinear model represented by object evaluated at the estimated coefficients.

Usage

logLik(object)

Arguments

object an object inheriting from class gnls, representing a generalized nonlinear least squares fitted model.

Value

the log-likelihood of the linear model represented by object evaluated at the estimated coefficients.

Author(s)

Jose Pinheiro and Douglas Bates

See Also

gnls

Examples

library(nlme)
data(Soybean)
fm1 <- gnls(weight ~ SSlogis(Time, Asym, xmid, scal), Soybean,
            weights = varPower())
logLik(fm1)


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