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% File src/library/base/man/structure.Rd
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% File src/library/base/man/structure.Rd
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% Part of the R package, https://www.R-project.org
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% Part of the R package, https://www.R-project.org
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% Copyright 1995-2025 R Core Team
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% Copyright 1995-2026 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{structure}
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\name{structure}
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\title{Attribute Specification}
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\title{Attribute Specification}
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\usage{
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\usage{
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\description{
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\description{
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  \code{structure} returns the given object with further
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  \code{structure} returns the given object with further
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  \link{attributes} set.
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  \link{attributes} set.
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}
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}
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\details{
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\details{
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  Adding a  class \code{"factor"} will ensure that numeric codes are
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  Adding a class \code{"factor"} will ensure that numeric codes are
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  given integer storage mode.
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  given integer storage mode.
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  For historical reasons (these names are used when deparsing),
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  The historical feature to rename
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  attributes \code{".Dim"}, \code{".Dimnames"}, \code{".Names"},
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  attributes \code{".Dim"}, \code{".Dimnames"}, \code{".Names"},
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  \code{".Tsp"} and \code{".Label"} are renamed to \code{"dim"},
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  \code{".Tsp"} and \code{".Label"} is deprecated since \R version 4.7.0.
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  \code{"dimnames"}, \code{"names"}, \code{"tsp"} and \code{"levels"}.
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  It is possible to give the same tag more than once, in which case the
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  It is possible to give the same tag more than once, in which case the
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  last value assigned wins.  As with other ways of assigning attributes,
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  last value assigned wins.  As with other ways of assigning attributes,
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  using \code{tag = NULL} removes attribute \code{tag} from \code{.Data} if
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  using \code{tag = NULL} removes attribute \code{tag} from \code{.Data} if
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  it is present.
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  it is present.