R/flicker.R

In RbyExample: Data for the Book "R by Example"

#' Flicker Data
#'
#' Critical flicker frequency and iris color of the eye for 19 individuals.
#'
#' @format 19 obs. of 2 variables:
#' \describe{
#' \item{Colour}{Eye colour: Brown, Green, or Blue}
#' \item{Flicker}{Critical flicker frequency in cycles/sec.}
#' }
#' @details
#' Critical flicker frequency is the highest frequency at which
#' the flicker in a flickering light source can be detected by the
#' individual.
#'
#'
#' @source
#' http://www.statsci.org/data/general/flicker.txt
#'
#' https://gksmyth.github.io/ozdasl/general/flicker.html
#'
#' @references
#' Smyth, Gordon K (2011). Australasian Data and Story Library (OzDASL).
#' https://gksmyth.github.io/ozdasl.
#'
"flicker"