Brick tunnel randomization and the momentum of the probability mass.

@article{Kuznetsova2015BrickTR,
  title={Brick tunnel randomization and the momentum of the probability mass.},
  author={Olga M Kuznetsova},
  journal={Statistics in medicine},
  year={2015},
  volume={34 30},
  pages={4031-56}
}
The allocation space of an unequal-allocation permuted block randomization can be quite wide. The development of unequal-allocation procedures with a narrower allocation space, however, is complicated by the need to preserve the unconditional allocation ratio at every step (the allocation ratio preserving (ARP) property). When the allocation paths are depicted on the K-dimensional unitary grid, where allocation to the l-th treatment is represented by a step along the l-th axis, l = 1 to K, the… CONTINUE READING
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