You may be able to speed it up further by using `data.table`'s
`rbindlist` or a similar function as shown here
https://stackoverflow.com/a/49772719/5861244.
2018-06-10 21:20 GMT+02:00 Christofer Bogaso <bogaso.christo...@gmail.com>:
> Using do.call() reduces my calculation time significantly.
>
> On Sun, Jun 10, 2018 at 10:45 PM ruipbarradas <ruipbarra...@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.christo...@gmail.com>
>> Data: 10/06/2018 16:33 (GMT+00:00)
>> Para: r-help <r-help@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,
>>
>> [[alternative HTML version deleted]]
>>
>> ______________________________________________
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>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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