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math.ST2025
A note on blinded continuous monitoring for continuous outcomes
Long-Hao Xu, Tim Friede
Continuous monitoring is becoming more popular due to its significant benefits, including reducing sample sizes and reaching earlier conclusions. In general, it involves monitoring…
math.ST2024
A studentized permutation test in group sequential designs
Long-Hao Xu, Tobias Mütze, Frank Konietschke +1
In group sequential designs, where several data looks are conducted for early stopping, we generally assume the vector of test statistics from the sequential analyses follows (at l…