The pursuit of balance in sequential randomized trials
In many randomized trials, subjects enter the sample sequentially. Because the covariates for all units are not known in advance, standard methods of stratification do not apply. We describe and assess the method of DA-optimal sequential allocation (Atkinson, 1982) for balancing stratification covar...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2016-06-01
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Series: | Development Engineering |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S2352728515300580 |