Contains the Icelandic river data as presented in Tong (1990), pages 432--440.
data(ice.river)4 univariate time series flow.vat, flow.jok,
prec, and temp, each with 1095 observations and the
joint series ice.river.
The series are daily observations from Jan. 1, 1972 to Dec. 31, 1974
on 4 variables: flow.vat, mean daily flow of Vatnsdalsa river
(cms), flow.jok, mean daily flow of Jokulsa Eystri river (cms),
prec, daily precipitation in Hveravellir (mm), and mean daily
temperature in Hveravellir (deg C).
These datasets were introduced into the literature in a paper by Tong, Thanoon, and Gudmundsson (1985).
H. Tong (1990): Non-Linear Time Series, A Dynamical System Approach. Oxford University Press, Oxford.
H. Tong, B. Thanoon, and G. Gudmundsson (1985): Threshold time series modelling of two Icelandic riverflow systems. Water Resources Bulletin, 21, 651--661.