coal {aspline} R Documentation

## Yearly number of coal mine disasters in Britain

### Description

A data of 112 observations registering the yearly number of coal mine disasters in Britain from 1851 to 1962. The data comes from Diggle et al. (1988) and has been used for spline regression by Eilers et al. (1996).

### Usage

coal


### Format

A data frame with 112 observations and 2 variables:

year

year

n

number of coal mine disasters

### Source

Diggle, P. and Marron, J. S. (1988). 'Equivalence of Smoothing Parameter Selectors in Density and Intensity Estimation', Journal of the American Statistical Association 83(403), 793-800.

### References

Eilers, P. H. C. and Marx, B. D. (1996). ‘Flexible Smoothing with B-splines and Penalties’, Statistical Science 11(2), 89-102.

[Package aspline version 0.2.0 Index]