R Dataset / Package boot / melanoma
On this Picostat.com statistics page, you will find information about the melanoma data set which pertains to Survival from Malignant Melanoma. The melanoma data set is found in the boot R package. Try to load the melanoma data set in R by issuing the following command at the console data("melanoma"). This may load the data into a variable called melanoma. If R says the melanoma data set is not found, you can try installing the package by issuing this command install.packages("boot") and then attempt to reload the data with library("boot") followed by data("melanoma"). Perhaps strangley, if R gives you no output after entering a command, it means the command succeeded. If it succeeded you can see the data by typing melanoma at the command-line which should display the entire dataset.
If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the melanoma R data set. The size of this file is about 350 bytes.
Survival from Malignant Melanoma
The data consist of measurements made on patients with malignant melanoma. Each patient had their tumour removed by surgery at the Department of Plastic Surgery, University Hospital of Odense, Denmark during the period 1962 to 1977. The surgery consisted of complete removal of the tumour together with about 2.5cm of the surrounding skin. Among the measurements taken were the thickness of the tumour and whether it was ulcerated or not. These are thought to be important prognostic variables in that patients with a thick and/or ulcerated tumour have an increased chance of death from melanoma. Patients were followed until the end of 1977.
This data frame contains the following columns:
This dataset is not related to the dataset in the lattice package with the same name.
The data were obtained from
Andersen, P.K., Borgan, O., Gill, R.D. and Keiding, N. (1993) Statistical Models Based on Counting Processes. Springer-Verlag.
Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Methods and Their Application. Cambridge University Press.
Venables, W.N. and Ripley, B.D. (1994) Modern Applied Statistics with S-Plus. Springer-Verlag.
Dataset imported from https://www.r-project.org.
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