Contains the Icelandic river data as presented in Tong (1990),
pages 432–440.
Usage
data(ice.river)
Format
4 univariate time series flow.vat, flow.jok,
prec, and temp, each with 1095 observations and the
joint series ice.river.
Details
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.