R/data-fritillary.R

In poissonconsulting/bauw: Data from Bayesian Analysis using Winbugs

#' Fritillary butterfly abundance data
#'
#' The silver-washed fritillary (\emph{Argynnis paphia})
#' butterfly duplicate site counts from
#' Kery & Schaub (2011 p.396).
#'
#' The variables are as follows:
#' \itemize{
#'   \item \code{site} the site surveyed.
#'   \item \code{day} the day of the survey.
#'   \item \code{count1} the first count.
#'   \item \code{count2} the second count.
#' }
#'
#' @format A data frame with 665 rows and 4 columns
#' @references
#' Kery M & Schaub M (2011) Bayesian Population Analysis
#' using WinBUGS. Academic Press. (\url{https://www.vogelwarte.ch/en/research/population-biology/book-bpa/})
"fritillary"