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% File src/library/stats4/man/plot-methods.Rd
% Part of the R package, http://www.R-project.org
% Copyright 1995-2007 R Core Development Team
% Distributed under GPL 2 or later

\name{plot-methods}
\docType{methods}
\alias{plot-methods}
\alias{plot,ANY,ANY-method}
\alias{plot,profile.mle,missing-method}
\title{Methods for Function `plot' in Package `stats4'}
\description{
  Plot profile likelihoods for \code{"mle"} objects.
}
\usage{
\S4method{plot}{profile.mle,missing}(x, levels, conf = c(99, 95, 90, 80, 50)/100, nseg = 50,
     absVal = TRUE, \dots)
}
\arguments{
 \item{x}{an object of class \code{"profile.mle"} }
 \item{levels}{levels, on the scale of the absolute value of a t
     statistic, at which to interpolate intervals.  Usually \code{conf}
     is used instead of giving \code{levels} explicitly.}
 \item{conf}{a numeric vector of confidence levels for profile-based
     confidence intervals on the parameters.}
 \item{nseg}{an integer value giving the number of segments to use in
     the spline interpolation of the profile t curves.}
 \item{absVal}{a logical value indicating whether or not the plots
     should be on the scale of the absolute value of the profile t.
     Defaults to \code{TRUE}.} 
 \item{\dots}{other arguments to the \code{plot} function can be passed here.}
}
\section{Methods}{\describe{

\item{x = "ANY", y = "ANY"}{Generic function: see \code{\link[graphics]{plot}}.}

\item{x = "profile.mle", y = "missing"}{Plot likelihood profiles for \code{x}.}
}}
\keyword{methods}