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}
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}
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\value{
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\value{
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  If \code{ret.selection} is true, a vector of integers of length
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  If \code{ret.selection} is true, a vector of integers of length
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  \code{nrpoints} (or smaller, if there are less finite points inside
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  \code{nrpoints} (or smaller, if there are less finite points inside
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  \code{xlim} and \code{ylim}) with the indices of the low-density
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  \code{xlim} and \code{ylim}) with the indices of the low-density
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  points drawn, ordered with lowwest density first.
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  points drawn, ordered with lowest density first.
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}
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}
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\details{
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\details{
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  \code{smoothScatter} produces a smoothed version of a scatter plot.
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  \code{smoothScatter} produces a smoothed version of a scatter plot.
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  Two dimensional (kernel density) smoothing is performed by
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  Two dimensional (kernel density) smoothing is performed by
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  \code{\link[KernSmooth]{bkde2D}} from package \CRANpkg{KernSmooth}.
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  \code{\link[KernSmooth]{bkde2D}} from package \CRANpkg{KernSmooth}.