29 lines
916 B
R
29 lines
916 B
R
#' Loss distribution elbow plot.
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#'
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#' Boxplots of the loss from \code{min.dim} to \code{max.dim} \code{k} values.
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#'
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#' @param x Object of class \code{"cve"} (result of [\code{\link{cve}}]).
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#' @param ... Pass through parameters to [\code{\link{plot}}] and
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#' [\code{\link{lines}}]
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#'
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#' @seealso see \code{\link{par}} for graphical parameters to pass through
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#' as well as \code{\link{plot}}, the standard plot utility.
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#' @method plot cve
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#' @importFrom graphics plot lines points boxplot
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#' @export
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plot.cve <- function(x, ...) {
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L <- c()
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k <- c()
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for (dr.k in x$res) {
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if (class(dr.k) == 'cve.k') {
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k <- c(k, as.character(dr.k$k))
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L <- c(L, dr.k$L)
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}
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}
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L <- matrix(L, ncol = length(k)) / var(x$Y)
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boxplot(L, main = "elbow plot",
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xlab = "SDR dimension",
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ylab = "Sample loss distribution",
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names = k)
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}
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