hadaPar | R Documentation |
Represents the randomization procedure Hadamard Randomization.
hadaPar(N, groups = LETTERS[1:2])
N |
integer for the total sample size of the trial. |
groups |
character vector of labels for the different treatments. |
Hadamard randomization has been proposed by R.A. Bailey. The key idea is to
use the columns of a special Hadamard Matrix as a randomization scheme. The
implemented algorithm uses the Hadamard Matrix with N=12
columns
proposed in the paper, see references.
S4
object of the class hadaPar
.
getProb
and getAllSeq
are currently only supported for hadaPar
with total sample size N=12
.
R.A. Bailey and P.R. Nelson (2003) Hadamard Randomization: A valid restriction of random permuted blocks. Biometrical Journal, 45, 554-60.
Other randomization procedures:
abcdPar
,
bbcdPar
,
bsdPar
,
chenPar
,
crPar
,
createParam()
,
ebcPar
,
gbcdPar
,
mpPar
,
pbrPar
,
rarPar
,
rpbrPar
,
rtbdPar
,
tbdPar
,
udPar
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