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Working indirectly with objects based on text strings (computing on the language):

Suppose you want to manipulate the names of objects within your code. You can do things like the following: 
>i=2 
>eval(as.name(paste(obj,i,sep=))) # returns contents of obj2  
>assign(paste(obj,i,sep=),obj1) # assigns contents of obj1 to obj2



Chris Paciorek 2012-01-21