[R] assignment by value or reference

Xiaobo Gu
Sun, 05 Sep 2010 15:19:31 -0000

Hi Team,

         Can you please tell me the rules of assignment in R, by value or by
reference.

>From my about 3 months of experience of part time job of R, it seems most
times it is by value, especially in function parameter and return values
assignment; and it is by reference when referencing container sub-objects of
container objects, such as elements of List objects and row/column objects of
DataFrame objectes; but it is by value when referencing the smallest unit of
element of a container object, such as cell of data frame objects.





Xiaobo.Gu




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