sunspot.year {datasets} | R Documentation

## Yearly Sunspot Data, 1700-1988

### Description

Yearly numbers of sunspots.

### Usage

    sunspot.year

### Format

The univariate time series `sunspot.year` contains 289 observations, and is of class `"ts"`.

### Note

Prior to R 2.0.0 `sunspot.year` and `sunspot.year` were copied to the user's workspace (or elsewhere) by `data(sunspot)`. However, as package lattice has a dataset `sunspot` which can be retrieved by the same command, that usage has been removed.

### Source

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

[Package datasets version 2.1.1 Index]