A nonparametric method of predicting Woelfer's sunspot numbers

Details A nonparametric method of predicting Woelfer's sunspot numbers A nonparametric method of predicting Woelfer's sunspot numbers

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj....100..579c&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 100, Aug. 1990, p. 579-583.

Statistics

3

Density Distribution, Nonparametric Statistics, Prediction Analysis Techniques, Sunspots, Time Series Analysis, Distribution Functions, Kernel Functions, Numerical Integration, Random Variables

Scientific paper

The nonparametric density estimation technique (Ahmad, 1982 and 1983; Robinson, 1987) is employed in a statistical analysis aimed at modeling the variations in sunspot-number data compiled by Woelfer for the period 1770-1869. The fundamental principles of the method are introduced, and the results are presented in tables and graphs. The present method is shown to provide a more accurate fit to the data than conventional time-series analyses.

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