drc (version 2.5-12)

logLik.drc: Extracting the log likelihood

Description

loglik extracts the value of the log likelihood function evaluated at the parameter estimates.

Usage

"logLik"(object, ...)

Arguments

object

an object of class 'drc'.

...

additional arguments.

Value

The evaluated log likelihood as a numeric value and the corresponding degrees of freedom as well as the number of observations as attributes.

Examples

## Fitting a four-parameter log-logistic model
ryegrass.m1 <- drm(rootl ~conc, data = ryegrass, fct = LL.4()) 
logLik(ryegrass.m1)