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355,10
2010 May 24
2
Data frames, passing by value, and performance
I understand that everything passed to an R function is passed "by
value". This would seem to include data frames, which my current
application uses heavily, both for storing program inputs, and holding
intermediate and final results. In trying to get greater performance
out of my R code, I am wondering if there is any clean way to access
data frames without having them copied all the