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8.2.45.44 octave.dataset.Nile

Static Method: out = Nile ()

Flow of the River Nile

Description

Measurements of the annual flow of the river Nile at Aswan (formerly Assuan), 1871–1970, in m^3, “with apparent changepoint near 1898” (Cobb(1978), Table 1, p.249).

Format

year

Year of the record.

flow

Annual flow (cubic meters).

Source

Durbin, J. and Koopman, S. J. (2001). Time Series Analysis by State Space Methods. Oxford: Oxford University Press. http://www.ssfpack.com/DKbook.html

References

Balke, N. S. (1993). Detecting level shifts in time series. Journal of Business and Economic Statistics, 11, 81–92.

Cobb, G. W. (1978). The problem of the Nile: conditional solution to a change-point problem. Biometrika 65, 243–51.

Examples

t = octave.dataset.Nile;

figure
plot (t.year, t.flow);

# TODO: Port the rest of the example to Octave