R Dataset / Package rpart / stagec


On this R-data statistics page, you will find information about the stagec data set which pertains to Stage C Prostate Cancer. The stagec data set is found in the rpart R package. You can load the stagec data set in R by issuing the following command at the console data("stagec"). This will load the data into a variable called stagec. If R says the stagec data set is not found, you can try installing the package by issuing this command install.packages("rpart") and then attempt to reload the data. 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 stagec R data set. The size of this file is about 4,748 bytes.

Stage C Prostate Cancer


A set of 146 patients with stage C prostate cancer, from a study exploring the prognostic value of flow cytometry.




A data frame with 146 observations on the following 8 variables.


Time to progression or last follow-up (years)


1 = progression observed, 0 = censored


age in years


early endocrine therapy, 1 = no, 2 = yes


percent of cells in G2 phase, as found by flow cytometry


grade of the tumor, Farrow system


grade of the tumor, Gleason system


the ploidy status of the tumor, from flow cytometry. Values are diploid, tetraploid, and aneuploid


A tumor is called diploid (normal complement of dividing cells) if the fraction of cells in G2 phase was determined to be 13% or less. Aneuploid cells have a measurable fraction with a chromosome count that is neither 24 nor 48, for these the G2 percent is difficult or impossible to measure.


rpart(Surv(pgtime, pgstat) ~ ., stagec)

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

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Attachment Size
dataset-15408.csv 4.64 KB
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0

This documentation is licensed under GPLv3 or later.