search for: groupseq

Hi there, I want to find the adjusted confidence intervals in group sequential trials in a simulation setting. GroupSeq provides me with what I am looking for in an interactive setting, but I am not sure how to make it work in a simulation setting so that it produces a series of adjusted confidence intervals for a series of Z-statistics that I provide it without me having to enter each Z-statistic manually!! Tha...

...Although I don’t yet have a good understanding of the various approaches to sequential clinical trials designs, I thought that the gsDesign package seemed very impressive. I also understand that there are several other R packages that relate to sequential clinical trials designs, such as AGSDest , GroupSeq, ldbounds, MChtest, PwrGSD, and Seqmon. Some of these seem fairly comprehensive while others seem to focus on a single approach.   My questions center on the adequacy of SPLUS Seqtrial and the R Packages. I was wondering if there is anyone out there who would be familiar enough with these to comme...

...gt; > > From: Roman Pahl [mailto:roman.pahl at gmx.de] > > > Sent: Saturday, April 22, 2006 1:10 PM > > > To: John Fox > > > Subject: R-News submission > > > > > > Dear John, > > > > > > herewith I enclose the revised R-News "GroupSeq--Designing > > > clinical trials using group sequential designs". > > > > > > Best Regards > > > Roman > > > > > > > > >

...;,"gnm","GPArotation","gpclib","gplots","gpls","graphics","grasper","GRASS","gRbase","grDevices","gregmisc","grid","gridBase","grnnR","grouped","GroupSeq","gss","gstat","gsubfn","gtools","hapassoc","haplo.ccs","haplo.stats","hapsim","hddplot","hdf5","hdrcde","hett","HI","hier.part","hierfstat",&qu...