CR: Power Calculation for Weighted Log-Rank Tests in Cure Rate Models

This package contains R-functions to perform power calculation in a group sequential clinical trial with censored survival data and possibly unequal patient allocation between treatment and control groups. The fuctions can also be used to determine the study duration in a clinical trial with censored survival data as the sum of the accrual duration, which determines the sample size in a traditional sense, and the follow-up duration, which more or less controls the number of events to be observed. This package also contains R functions and methods to display the computed results.

Version: 1.0
Depends: methods
Published: 2012-07-02
Author: Emil A. Cornea, Bahjat F. Qaqish, and Joseph G. Ibrahim
Maintainer: Emil A. Cornea <ecornea at>
License: GPL-2
NeedsCompilation: no
In views: Survival
CRAN checks: CR results


Reference manual: CR.pdf
Package source: CR_1.0.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X Snow Leopard binaries: r-release: CR_1.0.tgz, r-oldrel: CR_1.0.tgz
OS X Mavericks binaries: r-release: CR_1.0.tgz