sunspot: Sunspot Data

In EMD: Empirical Mode Decomposition and Hilbert Spectral Analysis

Description

sunspot from 1610 through 1995.

Usage

data(sunspot)

Format

A list of year and sunspot

References

Oh, H-S, Ammann, C. M., Naveau, P., Nychka, D. and Otto-Bliesner, B. L. (2003) Multi-resolution time series analysis applied to solar irradiance and climate reconstructions. Journal of Atmospheric and Solar-Terrestrial Physics, 65, 191–201.

Examples

data(sunspot)
names(sunspot)
plot(sunspot$year, sunspot$sunspot, type="l")

Example output

Loading required package: fields
Loading required package: spam
Loading required package: grid
Spam version 1.4-0 (2016-08-29) is loaded.
Type 'help( Spam)' or 'demo( spam)' for a short introduction 
and overview of this package.
Help for individual functions is also obtained by adding the
suffix '.spam' to the function name, e.g. 'help( chol.spam)'.

Attaching package: 'spam'

The following objects are masked from 'package:base':

    backsolve, forwardsolve

Loading required package: maps
Loading required package: locfit
locfit 1.5-9.1 	 2013-03-22
[1] "year"    "sunspot"

EMD documentation built on Jan. 4, 2022, 1:08 a.m.