Blinded Sample Size Recalculation R package blindrecalc version 1.1.1 CRAN Task View: ClinicalTrials (https://CRAN.R-project.org/view=ClinicalTrials) Computation of key characteristics and plots for blinded sample size recalculation. Continuous as well as binary endpoints are supported in superiority and non-inferiority trials. See Baumann, Pilz, Kieser (2022) <doi:10.32614/RJ-2022-001> for a detailed description. The implemented methods include the approaches by Lu, K. (2016) <doi:10.1002/pst.1737>, Kieser, M. and Friede, T. (2000) <doi:10.1002/(SICI)1097-0258(20000415)19:7%3C901::AID-SIM405%3E3.0.CO;2-L>, Friede, T. and Kieser, M. (2004) <doi:10.1002/pst.140>, Friede, T., Mitchell, C., Mueller-Veltern, G. (2007) <doi:10.1002/bimj.200610373>, and Friede, T. and Kieser, M. (2011) <doi:10.3414/ME09-01-0063>. Software Imports: methods, Rcpp LinkingTo: Rcpp Suggests: testthat, covr, knitr, rmarkdown, bookdown Lukas Baumann <baumann@imbi.uni-heidelberg.de> Comprehensive R Archive Network (CRAN) Lukas Baumann [aut, cre] (ORCID: <https://orcid.org/0000-0001-7931-7470>), Maximilian Pilz [aut] (ORCID: <https://orcid.org/0000-0002-9685-1613>), Institute of Medical Biometry - University of Heidelberg [cph] MIT + file LICENSE (https://CRAN.R-project.org/package=blindrecalc/LICENSE) 2026-05-06 application/tgz https://CRAN.R-project.org/package=blindrecalc doi:10.32614/CRAN.package.blindrecalc