CR: Power calculation for weighted log-rank tests in cure rate models (R).

TitleCR: Power calculation for weighted log-rank tests in cure rate models (R).
Publication TypeSoftware
Year of Publication2012
AuthorsCornea, Emil, Bahjat Qaqish, and Joseph G. Ibrahim
Abstract

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 functions 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.

Original PublicationCR: Power calculation for weighted log-rank tests in cure rate models (R).
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