randomizeBE 0.3-5 [R for BE/BA]

posted by Helmut Homepage – Vienna, Austria, 2019-08-25 14:26  – Posting: # 20517
Views: 850

Hi Yung-jin,

» That means I cannot use RL4(...,seqs=seqs) where seqs=squences(...) if I prefer using "R", "T", "T1", "T2" for treatment abbreviated, instead of "A", "B", "C" etc.. Am I correct?

I’m not sure whether I understand you correctly. See ?sequences. Only designs listed there are implemented. Hence, you can’t randomize a parallel design with >2 groups.
However,

sequences("4x4", tmts=c("R1", "R2", "T1", "T2"))
# [1] "R1T2R2T1" "R2T1T2R1" "T1R2R1T2" "T2R1T1R2"

williams(ntmt=4, tmts=c("R1", "R2", "T1", "T2"))
# [1] "R1T2T1R2" "R2T1T2R1" "T1R1R2T2" "T2R2R1T1"

work as designed.

Cheers,
Helmut Schütz
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