Em Ter, 2008-10-28 às 08:30 -0700, [EMAIL PROTECTED] escreveu: > Hello - > > I am wondering if anyone has written some R code to calculate futility > bounds for a group sequential analysis of clinical trials data. The > library ldbounds has a function 'bounds' which calculates the > effectiveness stopping bounds for various spending functions, but it does > not appear to do the same for futility (sometimes called the 'inner > wedge'). > > Thanks for any assistance! > > -Alice
Hi alice, I have interest in develop this code with you . Do you have a paper about this? -- Bernardo Rangel Tura, M.D,MPH,Ph.D National Institute of Cardiology Brazil ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
