out = UKgas () ¶UK Quarterly Gas Consumption
Quarterly UK gas consumption from 1960Q1 to 1986Q4, in millions of therms.
dateQuarter of the observation
gasGas consumption (MM therms).
Durbin, J. and Koopman, S. J. (2001). Time Series Analysis by State Space Methods. Oxford: Oxford University Press. http://www.ssfpack.com/dkbook/.
t = octave.dataset.UKgas;
plot (datenum (t.date), t.gas);
datetick ("x")
xlabel ("Month")
ylabel ("Gas consumption (MM therms)")