R/fish.R

In speegled/fosdata: Data for use with the book "Probability, Statistics, and Data: A Fresh Approach Using R", by Darrin Speegle and Bryan Clair

#' Fish measurements from Laengelmavesi Lake, near Tampere, Finland
#'
#' Data set for modeling weight on the other variables. Data was first presented in a publication from 1917.
#'
#' Apparently, observation 143 had 6 roach in its stomach and may be an outlier.
#'
#' @format A data frame with 159 observations of 8 variables
#' \describe{
#'   \item{obs}{Observation number}
#'   \item{species}{One of 1 = Bream, 2 = Whitefish, 3 = Roach, 4 = Parkki, 5 = Smelt, 6 = Pike or 7 = Perch}
#'   \item{weight}{Weight of fish (g)}
#'   \item{length1}{Length from nose to the beginning of the tail (cm)}
#'   \item{length2}{Length from nose to the notch of the tail (cm)}
#'   \item{length3}{Length from nose to end of tail (cm)}
#'   \item{height_percent}{Maximal height as percentage of length3}
#'   \item{width_percent}{Maximal width as percentage of length3}
#'   \item{sex}{1 = male, 0 = female}
#' }
#'
#' @source "Brofeldt, Pekka: Bidrag till kaennedom on fiskbestondet i vaara sjoear. Laengelmaevesi. T.H.Jaervi: Finlands Fiskeriet  Band 4 Meddelanden utgivna av fiskerifoereningen i Finland. Helsingfors 1917
#' @source \url{http://jse.amstat.org/datasets/fishcatch.txt}
"fish"