ex1514 {Sleuth3}

Melanoma and Sunspot Activity—An Observational Study

Description

Several factors suggest that the incidence of melanoma is related to solar radiation. These data are the age-adjusted melanoma incidence among males in the Connecticut Tumor Registry and the sunspot activity, 1936–1972 .

Usage

ex1514

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

Source

Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.

References

Houghton, A., Munster, E.W. and Viola, M.V. (1978). Increased Incidence of Malignant Melanoma After Peaks of Sunspot Activity, Lancet: 759–760.

Examples

str(ex1514)