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  \item{\dots}{further arguments passed to or from other methods.}
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  \item{\dots}{further arguments passed to or from other methods.}
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}
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}
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\details{
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\details{
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  \code{predict.lm} produces predicted values, obtained by evaluating
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  \code{predict.lm} produces predicted values, obtained by evaluating
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  the regression function in the frame \code{newdata} (which defaults to
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  the regression function in the frame \code{newdata} (which defaults to
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  \code{model.frame(object)}.  If the logical \code{se.fit} is
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  \code{model.frame(object)}).  If the logical \code{se.fit} is
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  \code{TRUE}, standard errors of the predictions are calculated.  If
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  \code{TRUE}, standard errors of the predictions are calculated.  If
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  the numeric argument \code{scale} is set (with optional \code{df}), it
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  the numeric argument \code{scale} is set (with optional \code{df}), it
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  is used as the residual standard deviation in the computation of the
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  is used as the residual standard deviation in the computation of the
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  standard errors, otherwise this is extracted from the model fit.
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  standard errors, otherwise this is extracted from the model fit.
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  Setting \code{intervals} specifies computation of confidence or
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  Setting \code{intervals} specifies computation of confidence or