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Randomization in clinical trials is the key design technique to ensure the comparability of treatment groups. Although there exist a large number of software products which assist the researcher to implement randomization, no tool which would cover a wide range of procedures and allow the comparative evaluation of the procedures under practical restrictions has been proposed in the literature so far. The R package randomizeR addresses this need. The paper includes a detailed description of the randomizeR package that serves as a tutorial for the generation of randomization sequences and the assessment of randomization procedures.
Uschner et al. (Mon,) studied this question.