[R] Efficient manipulation with list object

Christofer Bogaso bog@@o@chr|@to|er @end|ng |rom gm@||@com
Sun Jun 10 21:20:45 CEST 2018


Using do.call() reduces my calculation time significantly.

On Sun, Jun 10, 2018 at 10:45 PM ruipbarradas <ruipbarradas using sapo.pt> wrote:

> Hello,
>
> Instead of Reduce try do.call.
>
> do.call ('rbind', list)
>
> But with such a long list it will still take time.
>
> Hope this helps,
>
> Rui Barradas
>
>
>
> Enviado a partir do meu smartphone Samsung Galaxy.
> -------- Mensagem original --------
> De: Christofer Bogaso <bogaso.christofer using gmail.com>
> Data: 10/06/2018 16:33 (GMT+00:00)
> Para: r-help <r-help using r-project.org>
> Assunto: [R] Efficient manipulation with list object
>
> Hi,
>
> I have a list of length 10,000, and each element of that list is a matrix
> with 3 columns and 2,000 rows.
>
> Now when I tried to make a Matrix object with that list using
> Reduce('rbind', list), my code is taking a considerable amount of time.
>
> Is there any way to implement same above task in more efficient way?
>
> Thanks,
>
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>
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