dsdata: Distance sampling workshop data

#' Capercaillie in Monaughty Forest
#'
#' Data from a line transect survey of capercaillie in Monaughty Forest, Moray, 
#' Scotland.
#'
#' @name capercaillie
#' @docType data
#' @keywords datasets
#' @aliases capercaillie_units
#' 
#' @format   A data frame with 112 observations on the following 9 variables.
#' \tabular{ll}{
#'   \code{Sample.Label} \tab name of single transect \cr
#'   \code{Effort} \tab transect length (km) \cr
#'   \code{distance} \tab perpendicular distance (m) \cr
#'   \code{object} \tab object ID \cr
#'   \code{size} \tab only individual birds detected \cr
#'   \code{detected} \tab whether detected \cr
#'   \code{observer} \tab single observer data \cr
#'   \code{Region.Label} \tab stratum name \cr
#'   \code{Area} \tab size of Monaughty Forest (ha) \cr
#' }
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