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% File src/library/stats4/man/plot-methods.Rd
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% Part of the R package, http://www.R-project.org
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% Copyright 1995-2007 R Core Team
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% Distributed under GPL 2 or later
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\name{plot-methods}
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\docType{methods}
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\alias{plot-methods}
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\alias{plot,ANY,ANY-method}
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\alias{plot,profile.mle,missing-method}
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\title{Methods for Function \code{plot} in Package \pkg{stats4}}
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\description{
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  Plot profile likelihoods for \code{"mle"} objects.
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}
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\usage{
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\S4method{plot}{profile.mle,missing}(x, levels, conf = c(99, 95, 90, 80, 50)/100, nseg = 50,
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     absVal = TRUE, \dots)
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}
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\arguments{
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 \item{x}{an object of class \code{"profile.mle"} }
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 \item{levels}{levels, on the scale of the absolute value of a t
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     statistic, at which to interpolate intervals.  Usually \code{conf}
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     is used instead of giving \code{levels} explicitly.}
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 \item{conf}{a numeric vector of confidence levels for profile-based
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     confidence intervals on the parameters.}
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 \item{nseg}{an integer value giving the number of segments to use in
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     the spline interpolation of the profile t curves.}
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 \item{absVal}{a logical value indicating whether or not the plots
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     should be on the scale of the absolute value of the profile t.
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     Defaults to \code{TRUE}.}
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 \item{\dots}{other arguments to the \code{plot} function can be passed here.}
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}
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\section{Methods}{
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  \describe{
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    \item{\code{signature(x = "ANY", y = "ANY")}}{Generic function: see
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      \code{\link[graphics]{plot}}.}
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    \item{\code{signature(x = "profile.mle", y = "missing")}}{Plot
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      likelihood profiles for \code{x}.}
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  }
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}
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\keyword{methods}