Yu-Liu96

## run_hysplit.R
#' Function to command HYSPLIT (Hybrid Single Particle Lagrangian Integrated
#' Trajectory Model) from R.
#'
#' \code{run_hysplit} will return a data frame which is ready for use in
#' \strong{openair}'s \code{traj*} functions.
#'
#' @param latitude Latitude of a receptor location.
#'
#' @param longitude Longitude of a receptor location.
#'
	#' Function to command HYSPLIT (Hybrid Single Particle Lagrangian Integrated
	#' Trajectory Model) from R.
	#'
	#' \code{run_hysplit} will return a data frame which is ready for use in
	#' \strong{openair}'s \code{traj*} functions.
	#'
	#' @param latitude Latitude of a receptor location.
	#'
	#' @param longitude Longitude of a receptor location.
	#'