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\name{screeplot}
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\name{screeplot}
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\alias{screeplot}
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\alias{screeplot}
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\title{Screeplot of PCA Results}
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\title{Screeplot of PCA Results}
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\usage{
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\usage{
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screeplot(x, npcs = min(10, length(x$sdev)),
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screeplot(x, npcs = min(10, length(x$sdev)),
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          type = c("barplot", "lines"),
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          type = c("barplot", "lines"), main = deparse(substitute(x)), \dots)
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          main = deparse(substitute(x)), \dots)
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}
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}
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\arguments{
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\arguments{
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  \item{x}{an object of class \code{"princomp"}, as
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  \item{x}{an object of class \code{"princomp"}, as
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    from \code{\link{princomp}()}.}
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    from \code{\link{princomp}()}.}
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  \item{npcs}{the number of principal components to be plotted.}
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  \item{npcs}{the number of principal components to be plotted.}