Representing Efron's Biased Coin Design
Represents the randomization procedure Efron's Biased Coin Design.
ebcPar(N, p, groups = LETTERS[1:2])
N |
integer for the total sample size of the trial. |
p |
success probability of the biased coin (e.g. in Efron's Biased Coin Design). |
groups |
character vector of labels for the different treatments. |
Flip a biased coin with probability p in favor of the treatment
which is allocated less frequently. If both treatments have been assigned
equally often a fair coin is tossed.
S4 object of the class ebcPar.
B. Efron (1971) Forcing a sequential experiment to be balanced. Biometrika, 58, 403-17.
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