tbdPar {randomizeR}

Representing Truncated Binomal Design

Description

Represents the Truncated Binomial Design.

Usage

tbdPar(bc = N, groups = LETTERS[1:2])

Arguments

bc

vector which contains the lengths k_1,...,k_l of each block. This means that the vector bc will have one entry for each block.

groups

character vector of labels for the different treatments.

Details

A fair coin is tossed until half of the patients have been assigned to one of the treatment arms. Afterwards, the randomization list is filled with the other treatment.

Value

S4 object of the class tbdPar.

References

W. F. Rosenberger and J. M. Lachin (2002) Randomization in Clinical Trials. Wiley.

See Also

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