ourMELONS/R/randdir.R
2019-12-17 15:52:59 +01:00

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R

#' @title Generates random numbers
#' @return vector of length `nc` with r.v. realizations from Gamma(rate=1)
#' @examples randdir(matrix(c(10, 30, 60), 3), 3)
#' @param counts shape parameter
#' @param nc number of rows on output
#' @seealso randga
#' @export
randdir <- function (counts, nc) {
svar <- zeros(nc, 1)
for (i in 1:nc) {
svar[i, 1] = randga(counts[i, 1], 1)
}
svar <- svar / sum(svar)
return(svar)
}