Can anyone recommend a package that can be used to randomize subjects? I am looking for a generalized package, or several packages that can accomplish
unrestricted randomization (i.e. simple random assignment)
restricted randomization including stratified randomization, blocked randomization, and adaptive randomization.
Thanks,
John
John David Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
University of Maryland School of Medicine Division of Gerontology
Baltimore VA Medical Center
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GRECC (BT/18/GR)
Baltimore, MD 21201-1524
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Package or packages for randomization in a clinical trial
2 messages · John Sorkin, Marc Schwartz
On Apr 21, 2009, at 5:12 AM, John Sorkin wrote:
Can anyone recommend a package that can be used to randomize subjects? I am looking for a generalized package, or several packages that can accomplish unrestricted randomization (i.e. simple random assignment) restricted randomization including stratified randomization, blocked randomization, and adaptive randomization. Thanks, John
John, Take a look at the 'blockrand' and 'crossdes' packages on CRAN. If you need something beyond those, it is not overly difficult to write functions in R to do this. HTH, Marc Schwartz