forestmangr: Forest Mensuration and Management

#' @title 
#' Volume of felled trees, measured in the Smalian method
#' @description 
#' In this data, each observation is a section of a tree.
#' @usage 
#' data(exfm19)
#' 
#' @format
#' A data frame with 16 observations and 3393 variables:
#' \describe{
#'   \item{STRATA}{stratum number}
#'   \item{TREE}{number of trees}
#'   \item{DBH}{diameter at breast height, in centimeters}
#'   \item{TH}{total height, in meters}
#'   \item{CSA}{cross section area with bark, in square meters}
#'   \item{VWB}{volume with bark, in cubic meters}
#'   \item{FFWB}{form factor for each section}
#'   \item{FFWB_mean}{average form vactor value}
#' }
#' @name exfm19
#' @docType data
#' @author Sollano Rabelo Braga \email{sollanorb@@gmail.com}
#' @keywords data
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