A cross-sectional study of patients with a form of skin
cancer called malignant melanoma
Usage
data(melanoma)
Arguments
Format
A tibble with 12 observations and the following 3 variables.
tumor
tumor type (4 levels)
site
site of cancer (4 levels)
frequency
number of melanomas
References
Roberts, G., A. L. Martyn, A. J. Dobson, and W. H. McCarthy (1981).
Tumour thickness and histological type in malignant melanoma in New
South Wales, Australia, 1970–76. Pathology 13, 763--770.