#*********************************************
#*********************************************
#' Returns an array of randomly generated values from the gamma distribution.
#'
#'
#' @return
#'
#' @examples
#' \dontrun{}
#'
#' @export
#' @rdname Rgamma
#'
Rgamma=function(dim,shape,rate=1,scale=1/rate,byrow=FALSE){
############ AUTHOR(S): ############
# Arne Johannes Holmin
############ LANGUAGE: #############
# English
############### LOG: ###############
# Start: 2009-04-04 - Finished.
########### DESCRIPTION: ###########
# Returns an array of randomly generated values from the gamma distribution.
########## DEPENDENCIES: ###########
#
############ VARIABLES: ############
# - 'dim' is the dimension of the output array.
# - 'shape', 'rate' and 'scale' are from rgamma().
# - 'byrow' is TRUE if a matrix is requested (length(dim)==2), and the values should be ordered by rows in the matrix. Useful when different expectations are needed for each column of a matrix.
##################################################
##################################################
if(length(dim)==2 && byrow){
matrix(rgamma(prod(dim),shape,rate,scale),nrow=dim[1],ncol=dim[2],byrow=byrow)
}
else{
array(rgamma(prod(dim),shape,rate,scale),dim=dim)
}
##################################################
##################################################
}
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