Nothing
#Plots the pdf of two groups.
#Default is the Pareto density estimation (PDE).
#A standard pdf can be chosen or will be chosen in the case of zero variance of the data.
#' @export
#' @importFrom graphics abline lines plot
#' @importFrom stats density
#' @importFrom methods hasArg
#' @export
plot2Densities <- function(Data, Cls, col = c("red", "blue"), pde = TRUE, meanLines = FALSE, medianLines = FALSE, ...) {
if (length(Data) != length(Cls))
stop("Impact: Data and Cls have different lengths!")
UniqueCls <- sort(unique(Cls))
if (length(table(Data = Data[Cls == UniqueCls[1]])) < 2 ||
length(table(Data = Data[Cls == UniqueCls[2]])) < 2) {
suppressWarnings(pdeX1Try <- try(ParetoDensityEstimationIE(Data = Data[Cls == UniqueCls[1]]), TRUE))
suppressWarnings(pdeX2Try <- try(ParetoDensityEstimationIE(Data = Data[Cls == UniqueCls[2]]), TRUE))
} else{
suppressWarnings(PDEKernelsTry <- try(ParetoDensityEstimationIE(Data), TRUE))
if (class(PDEKernelsTry) != "try-error") {
PDEKernels <- PDEKernelsTry$kernels
suppressWarnings(pdeX1Try <- try(ParetoDensityEstimationIE(Data = Data[Cls == UniqueCls[1]], kernels = PDEKernels), TRUE))
suppressWarnings(pdeX2Try <- try(ParetoDensityEstimationIE(Data = Data[Cls == UniqueCls[2]], kernels = PDEKernels), TRUE))
} else{
message("Pareto density estimation failed. Reverting to standard pdf.")
pde <- FALSE
}
}
if (class(pdeX1Try) == "try-error") {
message("Pareto density estimation failed. Reverting to standard pdf.")
pde <- FALSE
}
if (class(pdeX2Try) == "try-error") {
message("Pareto density estimation failed. Reverting to standard pdf.")
pde <- FALSE
}
if (hasArg("pde") == TRUE && pde == FALSE) {
pdx1 <- density(Data[Cls == UniqueCls[1]])$x
pdx2 <- density(Data[Cls == UniqueCls[2]])$x
pd1 <- density(Data[Cls == UniqueCls[1]])$y
pd2 <- density(Data[Cls == UniqueCls[2]])$y
} else {
pdx1 <- pdeX1Try$kernels
pdx2 <- pdeX2Try$kernels
pd1 <- pdeX1Try$paretoDensity
pd2 <- pdeX2Try$paretoDensity
}
xmin <- min(pdx1, pdx2)
xmax <- max(pdx1, pdx2)
ymax <- max(pd1, pd2)
plot(pd1 ~ pdx1, type = "l", lwd = 3, col = col[1], xlim = c(xmin, xmax), ylim = c(0, ymax), ...)
lines(pd2 ~ pdx2, lwd = 3, col = col[2], ...)
if (hasArg("medianLines") == TRUE && medianLines == TRUE) {
abline(v = c_median(Data[Cls == UniqueCls[1]]), col = "magenta")
abline(v = c_median(Data[Cls == UniqueCls[2]]), col = "magenta", lty = 2)
}
if (hasArg("meanLines") == TRUE && meanLines == TRUE) {
abline(v = mean(Data[Cls == UniqueCls[1]]), col = "darkgreen")
abline(v = mean(Data[Cls == UniqueCls[2]]), col = "darkgreen", lty = 2)
}
}
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