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Published in 2022 at "Statistics in Medicine"
DOI: 10.1002/sim.9360
Abstract: Group sequential design (GSD) has become a popular choice in recent clinical trials as it improves trial efficiency by providing options for early termination. The implementation of traditional tests for survival analysis (eg, the log‐rank…
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Keywords:
sequential design;
first hitting;
design;
model ... See more keywords
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1
Published in 2019 at "Methodology and Computing in Applied Probability"
DOI: 10.1007/s11009-018-9638-z
Abstract: Explicit formulas for the first hitting time distributions for a standard Brownian motion and different regions including rectangular, triangle, quadrilateral and a region with piecewise linear boundaries are derived. Moreover, approximations to the first hitting…
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Keywords:
hitting time;
linear boundaries;
time distributions;
brownian motion ... See more keywords