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8.2.45.63 octave.dataset.sunspot_year

Static Method: out = sunspot_year ()

Yearly Sunspot Data, 1700-1988

Description

Yearly numbers of sunspots from 1700 to 1988 (rounded to one digit).

Format

year

Year of the observation.

sunspots

Number of sunspots.

Source

H. Tong (1996) Non-Linear Time Series. Clarendon Press, Oxford, p. 471.

Examples

t = octave.dataset.sunspot_year;

figure
plot (t.year, t.sunspots)
xlabel ("Year")
ylabel ("Sunspots")