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R is a free software environment for statistical computing and graphics. It compiles and runs on a wide variety of UNIX platforms, Windows and MacOS. To download R, please click on this link and choose your preferred CRAN mirror.

The purpose of this package is to study the heterogeneity of risk factors between two groups of patients. Missing data are not allowed. Estimation of the parameters is based on partial likelihood maximization and Monte-Carlo simulations associated with bootstrap re-sampling yields to obtain the corresponding standard deviations.
As an example, we proposed a data frame with the data extracted from the DIVAT data bank for first kidney transplant recipients (reference group) and second kidney transplant recipients (relative group).

Download the MRsurv package and save the resulting file to your machine

Install the MRsurv package

  • Shut down R if it is running.
  • Using a command-line window navigate (using the "cd" command) to the directory where you saved the file and issue the command: sudo R CMD INSTALL MRsurv_0.x.tar.gz.
  • Shut down R if it is running.
  • Restart R from the Start Menu.
  • From the Packages menu, choose the Install package(s) from local zip files.
  • Navigate to and choose the file you just downloaded:
If you find any bugs in roc632 package, please e-mail us and we will take your comments into account in the next version.