randomizeR (version 1.4.2)

bbcdPar: Representing Bayesian Biased Coin Design

Description

Represents the randomization procedure Bayesian Biased Coin Design.

Usage

bbcdPar(N, a, groups = LETTERS[1:2])

Arguments

N

integer for the total sample size of the trial.

a

nonnegative parameter which my be adjusted according to how strongly it is desired to balance the experiment. a = 0 gives the complete randomization, while the assignments become more deterministic as a increases.

groups

character vector of labels for the different treatments.

Value

S4 object of the class bbcdPar.

Details

Extension of Efron's biased coin design.

References

A. B. Antognini and Maroussa Zagoraiou (2014) Balance and randomness in sequential clinical trials: the dominant biased coin design. Pharmaceutical Statistics 13(2), 119-127

See Also

Other randomization procedures: abcdPar, bsdPar, chenPar, crPar, createParam, ebcPar, gbcdPar, hadaPar, mpPar, pbrPar, rarPar, rpbrPar, rtbdPar, tbdPar, udPar