R Dataset / Package HSAUR / mastectomy

On this R-data statistics page, you will find information about the mastectomy data set which pertains to Survival Times after Mastectomy of Breast Cancer Patients . The mastectomy data set is found in the HSAUR R package. You can load the mastectomy data set in R by issuing the following command at the console data("mastectomy"). This will load the data into a variable called mastectomy. If R says the mastectomy data set is not found, you can try installing the package by issuing this command install.packages("HSAUR") and then attempt to reload the data with the library() command. 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 mastectomy R data set. The size of this file is about 669 bytes.

Survival Times after Mastectomy of Breast Cancer Patients


Survival times in months after mastectomy of women with breast cancer. The cancers are classified as having metastized or not based on a histochemical marker.




A data frame with 42 observations on the following 3 variables.


survival times in months.


a logical indicating if the event was observed (TRUE) or if the survival time was censored (FALSE).


a factor at levels yes and no.


B. S. Everitt and S. Rabe-Hesketh (2001), Analysing Medical Data using S-PLUS, Springer, New York, USA.


data("mastectomy", package = "HSAUR")

Dataset imported from https://www.r-project.org.

Attachments: csv, json

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