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  a visual display of the clustering is plotted on the current graphics device.
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  a visual display of the clustering is plotted on the current graphics device.
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}
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}
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\details{
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\details{
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  \code{clusplot} uses function calls
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  \code{clusplot} uses function calls
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  \code{\link{princomp}(*, cor = (ncol(x) > 2))} or
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  \code{\link{princomp}(*, cor = (ncol(x) > 2))} or
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  \code{\link{cmdscale(*, add=TRUE)}}, respectively, depending on
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  \code{\link{cmdscale}(*, add=TRUE)}, respectively, depending on
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  \code{diss} being false or true.  These functions are data reduction
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  \code{diss} being false or true.  These functions are data reduction
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  techniques to represent the data in a bivariate plot.
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  techniques to represent the data in a bivariate plot.
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  Ellipses are then drawn to indicate the clusters.  The further layout of the
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  Ellipses are then drawn to indicate the clusters.  The further layout of the
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  plot is determined by the optional arguments.
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  plot is determined by the optional arguments.