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03/27/2018
Blinded and unblinded sample size re-estimation in crossover trials balanced for period
The determination of the sample size required by a crossover trial typic...
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03/26/2018
Design optimisation and post-trial analysis in group sequential stepped-wedge cluster randomised trials
Recently, methodology was presented to facilitate the incorporation of i...
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12/01/2017
Efficient determination of optimised multi-arm multi-stage experimental designs with control of generalised error-rates
Primarily motivated by the drug development process, several publication...
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11/28/2017
A two-stage Fisher exact test for multi-arm studies with binary outcome variables
In small sample studies with binary outcome data, use of a normal approx...
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11/28/2017
Calculations involving the multivariate normal and multivariate t distributions with and without truncation
This paper presents a set of Stata commands and Mata functions to evalua...
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10/09/2017