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2011 Jun 02
1
Paid R Help
...ewhere. Returned value Study Arm: dichotomous Intervention / Control There might be some code that helps do this in R already. http://rss.acs.unt.edu/Rdoc/library/blockrand/html/blockrand.package.html http://docs.google.com/viewer?a=v&q=cache:BnSasjcO0xQJ:personality-project.org/revelle/syllabi/205/block.randomization.pdf+r+block+randomization&hl=en&gl=us&pid=bl&srcid=ADGEESj9HQShWGzlfTJZOQQdCyohIcLV8HptDj8JZqsXbzDIZLUM6J3BDe6dpTsw95JcG6QDeiPn The purpose of block randomization is to insure equal distribution the two traits (in this case urban / rural and sick/healthy) ac...