Correction for “Optimal unidirectional switch designs” by Zhuozhao Zhan, Geertruida H. de Bock, and Edwin R. van den Heuvel

Zhuozhao Zhan, Edwin R. van den Heuvel (Corresponding author)

Research output: Contribution to journalComment/Letter to the editorAcademicpeer-review

Abstract

The authors have spotted a typographical error contained in our paper titled “Optimal unidirectional switch designs.”1 The asymptotic variance for the optimal augmented steppedwedge design provided in the bottomof page 3578 is incorrect. It should read: (Formula presented.) The relative efficiency of the optimal augmented stepped wedge design with respect to the optimal unidirectional switch design shown in Figure 6 was produced using this correct expression and no changes are further needed. No other results in the article were affected by this error.

Original languageEnglish
Pages (from-to)2587
JournalStatistics in Medicine
Volume39
Issue number19
Early online date23 Apr 2020
DOIs
Publication statusE-pub ahead of print - 23 Apr 2020

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