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reformulate(termlabels, response = NULL, intercept = TRUE, env = parent.frame())
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reformulate(termlabels, response = NULL, intercept = TRUE, env = parent.frame())
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drop.terms(termobj, dropx = NULL, keep.response = FALSE)
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drop.terms(termobj, dropx = NULL, keep.response = FALSE)
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termobj[i]
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\method{[}{terms}(termobj, i)
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}
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}
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\alias{reformulate}
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\alias{reformulate}
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\alias{drop.terms}
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\alias{drop.terms}
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\alias{delete.response}
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\alias{delete.response}
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\alias{[.terms}
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\alias{[.terms}
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  \item{intercept}{logical: should the formula have an intercept?}
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  \item{intercept}{logical: should the formula have an intercept?}
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  \item{env}{the \code{\link{environment}} of the \code{\link{formula}}
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  \item{env}{the \code{\link{environment}} of the \code{\link{formula}}
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    returned.}
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    returned.}
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  \item{dropx, i}{a numeric vector indexing \code{labels(termobj)}
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  \item{dropx, i}{a numeric vector indexing \code{labels(termobj)}
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    (that is, the \code{"term.labels"} attribute of \code{termobj}),
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    (that is, the \code{"term.labels"} attribute of \code{termobj}),
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    indicating terms to be dropped from the right-hand side of the
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    indicating terms to drop (\code{dropx}) or select (\code{i}) from
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    the right-hand side of the model. The default \code{dropx=NULL}
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    model, or \code{NULL} (default) to keep all terms.}
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    means to keep all terms.}
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  \item{keep.response}{Keep the response in the resulting object?}
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  \item{keep.response}{logical: keep the response in the resulting object?}
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}
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}
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\description{
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\description{
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  \code{delete.response} returns a \code{terms} object for the same
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  \code{delete.response} returns a \code{terms} object for the same
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  model but with no response variable.
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  model but with no response variable.
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