GroupSeq

is designed to calculate sequential boundaries in R with extended functionalites compared with the FORTRAN program by Reboussin et al. (2000, Controlled Clinical Trials, 21: 190-207).

It is available from CRAN under http://cran.r-project.org/web/packages/GroupSeq/index.html.

Contact: Inke.Koenig@imbs.uni-luebeck.de