R/elwha-img.R

In dtavern/grainsizeR: Extract And Analyze Grain Size Distributions

#' Example of grain sizes extracted using grainsizeR
#'
#' A dataset containing 100 grain size samples extracted from Elwha river imagery
#'
#'
#' @format A data frame with 100 rows and 5 variables:
#' \describe{
#'   \item{X}{measurement number}
#'   \item{measurement_no}{measurement number}
#'   \item{gsize_cm}{grain size in cm}
#'   \item{phi}{grain size in phi scale}
#'   \item{too_small}{binary flag indicating grain size is too small to establish edge while measuring}
#'   ...
#' }
#' @source measured by David Tavernini, imagery from Katie deRego
"elwha_img"