Sleuth2 (version 1.0-3)

ex1509: Sunspot Counts for 1749--1948

Description

Time series data set of annual counts of sunspots.

Usage

ex1509

source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

References

Waldmeier, M. (1961). The Sunspot Activity in the Years 1610--1960, Federal Observatory, Zurich.

Examples

str(ex1509)