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% File src/library/stats4/man/plot-methods.Rd

% Part of the R package, https://www.R-project.org

% Copyright 1995-2007 R Core 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 \code{plot} in Package \pkg{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{\code{signature(x = "ANY", y = "ANY")}}{Generic function: see

      \code{\link[graphics]{plot}}.}

    \item{\code{signature(x = "profile.mle", y = "missing")}}{Plot

      likelihood profiles for \code{x}.}

  }

}

\keyword{methods}