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
Usage
data(pigs)Details
The time variable has been added from a combination of year and quarter
time year + (quarter - 1) / 4
year year of production
quarter quarter of the year of production
gilts number of sows giving birth for the first time
profit ratio of price to an index of feed price
s_per_herdsz ratio of the number of breeding pigs slaughtered to the total breeding herd size
production number of pigs slaughtered that were reared for meat
herdsz breeding herd size