ex1512: Melanoma and Sunspot Activity---An Observational Study
Description
Several factors suggest that the incidence of melanoma is related to
solar radiation. Data has the age-adjusted melanoma incidence among
males from Connecticut Tumor Registry, 1936--1972.
Usage
ex1512
Arguments
Format
A data frame with 37 observations on the following 3 variables.
Year
year
Melanoma
male melanoma incidence in number of cases
per 100,000 population
Sunspot
sunspot relative number
References
Houghton, A., Munster, E.W. and Viola, M.V. (1978). Increased
Incidence of Malignant Melanoma After Peaks of Sunspot Activity,
Lancet: 759--760.