[R] array of variable length vectors
Uwe Ligges
ligges at statistik.uni-dortmund.de
Mon Feb 2 12:48:42 CET 2004
Giampiero Salvi wrote:
> Hi,
> I'd like to store N vectors of different lengths, and to be able to
> access them with an index, and eventually free the memory for one
> of them without modifying the indexes to the others.
>
> In C this would be a vector of N pointers that point to memory cells
> independently allocated.
>
> For example
>
> int *pv[3];
>
> pv[0] = (int *) malloc(13 * sizeof(int));
> pv[1] = (int *) malloc(7 * sizeof(int));
> pv[2] = (int *) malloc(110 * sizeof(int));
>
> free(pv[1])
> ...
>
> What is the best data type (or class) in R to do such a thing?
See ?list
Uwe Ligges
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