ourMELONS/R/randdir.R

14 lines
425 B
R

#' @title Generates random numbers
#' @return vector of length `nc` with r.v. realizations from Gamma(rate=1)
#' @examples rBAPS:::randdir(matrix(c(10, 30, 60), 3), 3)
#' @param counts shape parameter
#' @param nc number of rows on output
#' @seealso randga
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)
}