% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/data-pigs.R
\docType{data}
\name{pigs}
\alias{pigs}
\title{United Kingdom Pig Production}
\format{
A data frame with 48 rows and 8 variables
}
\usage{
data(pigs)
}
\description{
This data contains about the United Kingdom Pig Production from the book 'Data' by Andrews and Herzberg. The original data can be on Statlib: http://lib.stat.cmu.edu/datasets/Andrews/T62.1
}
\details{
The time variable has been added from a combination of year and quarter

\itemize{
\item time year + (quarter - 1) / 4
\item year year of production
\item quarter quarter of the year of production
\item gilts number of sows giving birth for the first time
\item profit ratio of price to an index of feed price
\item s_per_herdsz ratio of the number of breeding pigs slaughtered to the total breeding herd size
\item production number of pigs slaughtered that were reared for meat
\item herdsz breeding herd size
}
}
\references{
Andrews, David F., and Agnes M. Herzberg. Data: a collection of problems from many fields for the student and research worker. Springer Science & Business Media, 2012.
}
\keyword{datasets}
