Provides systematic, dependency-aware exploration of group sequential designs created with 'gsDesign'. Supports reproducible grid and random search over user-defined candidate sets, parallel evaluation via the 'future' framework, standardized metric extraction, and auditable reporting for design-space evaluation and trade-off analysis. Methods for group sequential design are described in Anderson (2025) tools:::Rd_expr_doi("10.32614/CRAN.package.gsDesign"). The 'future' framework for parallel processing is described in Bengtsson (2021) tools:::Rd_expr_doi("10.32614/RJ-2021-048").
Maintainer: Nan Xiao me@nanx.me (ORCID) [copyright holder]
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