Thanks Matthew and Hadley; that is exactly what I was looking for, and them some.
Regards, Ben
>>/ The goal is to ascertain whether a copy of an object has been made. />/ />/ Then : />/ />/ ?tracemem />/ />/ One demonstration of using both together is here : />/ />/ http://stackoverflow.com/a/10312843/403310 / Note that tracemem detects duplications (in a technical R sense), not copies - i.e. x <- 1:10 tracemem(x) x[11] <- 11L although all the individual elements are copied, the vector is not duplicated. This confused me at first, so I thought I'd point it out. Hadley -- RStudio / Rice University http://had.co.nz/
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