S4 class object for creating and managing group sequential designs. It calculates the efficacy and futility boundaries at each look. It allows modifying the design and tracking the design update history.
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2.5 by Hui Zheng, 2 years ago
Browse source code at https://github.com/cran/seqmon
Authors: David A Schoenfeld and Hui Zheng
Documentation: PDF Manual
MIT + file LICENSE license
Depends on methods
Suggests roxygen2
See at CRAN