R/frogarms.R

In brouwern/wildlifeR: Wildlife biology and animal ecology datasets with example analyses.

#' Data on the body size and arm girth of male and female Australian Quacking Frogs (Crinia georgiana)
#'
#' Morphology information on arm girth and overall body size  was collected by Buzatto et el
#' as part of a study of sexual selection in the Australian Quacking Frogs.
#'
#' @format A data frame of frog morophology data.
#' \describe{
#'   \item{i}{frog Id}
#'   \item{sex}{Sex of each frog (male or female)}
#'   \item{mass}{mass of each frog in grams}
#'   \item{sv.length}{snout-vent length in mm}
#'   \item{forearm}{forearm girth (?) in mm}
#'   \item{arm}{arm girth in mm}
#'  }
#'
#' @source \url{https://figshare.com/articles/Data_Paper_Data_Paper/3554424}
#'
#' @references Buzatto BA, Roberts JD, Simmons LW.  2015.  Sperm competition and the evolution of precopulatory weapons: Increasing male density promotes sperm competition and reduces selection on arm strength in a chorusing frog. Evolution 69: 2613-2624. https://doi.org/10.1111/evo.12766
#' @references Buzatto BA, Roberts JD, Simmons LW. 2015. Data from: Sperm competition and the evolution of precopulatory weapons: Increasing male density promotes sperm competition and reduces selection on arm strength in a chorusing frog. Dryad Digital Repository. https://doi.org/10.5061/dryad.cr2n4
#'
#' @examples
#' ## Load packages
#' library(ggplot2)
#' library(ggpubr)
#'
#' ## Plot data
#' ### boxplot
#' ggboxplot(data = frogarms, y = "mass", x = "sex")
#'
#' ### Scatter plot (Figure 1 a of Buzatto et al 2015)
#' ggscatter(data = frogarms, y = "arm", x = "sv.length",
#'  color = "sex",
#'  shape = "sex",
#'  ylab = "Arm girth (mm)",
#'  xlab = "Snout-vent length (mm)")

"frogarms"