[R] reference to objects

Eric Lecoutre lecoutre at stat.ucl.ac.be
Fri Jan 16 14:53:25 CET 2004


You will find some pieces of information about the way to handle such 
things at:
Programming with references

Note that you will have to download and install the package developped by 
the author, Henrik Bengtsson



At 14:22 16/01/2004, Giampiero Salvi wrote:
>is there a way to reference to a data object without copying it?
>For example I have a huge matrix called dist and I want two objects
>obj1 and obj2 to have a memeber dist that points to the matrix, but
>I don't want, for memory reasons, to copy the matrix twice.
>As far as I understand the following code will generate three copies
>of my data:
>dist <- some_code_that_generates_data
>obj1$dist <- dist
>obj2$dist <- dist
>Thank you!

L'erreur est certes humaine, mais un vrai désastre
nécessite un ou deux ordinateurs. Citation anonyme
Eric Lecoutre
Institut de Statistique / UCL

TEL (+32)(0)10473050       lecoutre at stat.ucl.ac.be
URL http://www.stat.ucl.ac.be/ISpersonnel/lecoutre

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