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% File src/library/base/man/mean.Rd
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% File src/library/base/man/mean.Rd
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% Part of the R package, http://www.R-project.org
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% Part of the R package, http://www.R-project.org
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% Copyright 1995-2010 R Core Team
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% Copyright 1995-2013 R Core Team
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% Distributed under GPL 2 or later
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% Distributed under GPL 2 or later
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\name{mean}
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\name{mean}
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\title{Arithmetic Mean}
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\title{Arithmetic Mean}
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\usage{
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\usage{
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\alias{mean}
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\alias{mean}
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\alias{mean.default}
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\alias{mean.default}
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\arguments{
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\arguments{
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  \item{x}{An \R object.  Currently there are methods for
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  \item{x}{An \R object.  Currently there are methods for
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    numeric/logical vectors and \link[=Dates]{date},
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    numeric/logical vectors and \link[=Dates]{date},
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    \link{date-time} and \link{time interval} objects, and for data
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    \link{date-time} and \link{time interval} objects.  Complex vectors
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    frames all of whose columns have a method.  Complex vectors are
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    allowed for \code{trim = 0}, only.}
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    are allowed for \code{trim = 0}, only.}
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  \item{trim}{the fraction (0 to 0.5) of observations to be
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  \item{trim}{the fraction (0 to 0.5) of observations to be
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    trimmed from each end of \code{x} before the mean is computed.
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    trimmed from each end of \code{x} before the mean is computed.
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    Values of trim outside that range are taken as the nearest endpoint.
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    Values of trim outside that range are taken as the nearest endpoint.
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  }
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  }
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  \item{na.rm}{a logical value indicating whether \code{NA}
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  \item{na.rm}{a logical value indicating whether \code{NA}