R/my_ecdf.R

In mlammens/meteR: Fits and plots macroecological patterns predicted by the Maximum Entropy Theory of Ecology (METE)

#' @title Title of function
#'
#' @description
#' \code{function.name} what it does
#'
#' @details
#' how it works
#' etc.
#' 
#' @param arg description of arg
#' @param arg description of arg
#' @keywords manip
#' @export
#' 
#' @examples
#' #code to run
#' 
#' @return - the type of object that the function returns
#'
#' @author Andy Rominger <ajrominger@@gmail.com>
#  @note other junk to mention
#  @seealso - to provide pointers to other related topics
#  @references - references to scientific literature on this topic
#  @aliases - a list of additional topic names that will be mapped to this documentation when the user looks them up from the command line.
#  @family - a family name. All functions that have the same family tag will be linked in the documentation.

my.ecdf <- function(x,complement=FALSE) {
	if(is.table(x)) {
		tabz <- x
	} else {
		tabz <- table(x)
	}
	if(complement) {
		yval <- cumsum(rev(as.numeric(tabz)))/sum(tabz)
		yval <- rev(yval)
	} else {
		yval <- cumsum(as.numeric(tabz))/sum(tabz)
	}
	xval <- as.numeric(names(tabz))
	
	return(cbind("x"=rev(xval),"cdf(x)"=rev(yval)))
}