Multivariate time series data originally from Andrews and Herzberg (1985).
Arguments
Format
data.frame: 48 obs. of 11 variables
YEAR
Year, from 1967 to 1978
QUARTER
Quarter index, take value in 1,2,3,4
Q1
Whether is the first quarter
Q2
Whether is
the second quarter
Q3
Whether is the third quarter
GILTS
Number of sows in pig for the first time
PROFIT
Ratio of all-pig price to all fattener feed price
S.HERDSZ
Ratio of sow and boar slaughter to total breeding
herd size
PRODUCTION
Number of clean pig meat slaughtered
HERDSZ
Actual breeding herd size
Source
Andrews, D.F. and Herzberg, A.M. (1985), Data - A Collection of
Problems from Many Fields for the Student and Research Worker,
Springer-Verlag, New York, NY. URL:
http://lib.stat.cmu.edu/datasets/Andrews/