Modeling the secular trend in a cluster randomized trial using very flexible models
A key challenge - maybe the key challenge - of a stepped wedge clinical trial design is the threat of confounding by time. This is a cross-over design where the unit of randomization is a group or cluster, where each cluster begins in the control st...
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http://dlvr.it/Sc2GM5
http://dlvr.it/Sc2GM5

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