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2013 May 18
1
Copy on assignment to large field of reference class
Dear all
I am trying to find the best way to handle large fields in reference
classes.
As the code below shows assignment via <<- causes many copies to be made if
the subsetting is extensive (in modb1). This can cause R to run out of
memory. Creating a local copy and using the optimisation in <- is the best
solution I have found so far (in modb2) - but it is not really much better
than