Laurent Gautier wrote:
This is a product of the S call-by-value semantics. There is actually an enormous amount of copying which takes place in R (and Splus). However, it is only with large objects that this becomes noticable.Dear list,I noticed something while assigning a new value to the slot of an object of class S4. Apparently(*) this object is copied while the operation is performed. Is it really wished ? (or did I miss something ?) I use R-1.6.2:
Coincidentally John Chambers, Robert Gentleman, Paul Murrell and I were discussing exactly this type of issue today. We are certainly aware that there are problems and are looking at potential solutions.
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Ross Ihaka Email: [EMAIL PROTECTED]
Department of Statistics Phone: (64-9) 373-7599 x 85054
University of Auckland Fax: (64-9) 373-7018
Private Bag 92019, Auckland
New Zealand
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