If all you want are binary 0/1, then look at the 'bit' package which
will let you create a vector of bits. Even for your matrix, you will
need almost 1GB of memory to store a copy.
On Mon, May 7, 2012 at 5:23 PM, Lucas <
[hidden email]> wrote:
> Dear R people.
> I惴 facing a big problem.
> I need to create a matrix with 10.000 columns and 750.000 rows.
> matrix<- as.data.frame(matrix(data=0L, nrow=750000, ncol=10000)
> as you can see, the data frame has huge dimesions. I was able to find out
> about thr "L" in data, this way I惴 telling that my data is "integer"
> class. By doing this
> object.size(matrix) tells me that this is half of the matrix when I don愒
> define as integer (L)
> The data that I惻l be filling with my matrix will be 0 and 1, nothing else,
> so I could use less bytes.
> so, my cuestion is, How can I create the same matrix but using even less
> bytes?
>
> I惻l appreciate if you can help me.
>
> Thank you.
> Lucas
>
> [[alternative HTML version deleted]]
>
>
> ______________________________________________
>
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>
https://stat.ethz.ch/mailman/listinfo/r-help> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html> and provide commented, minimal, self-contained, reproducible code.
>
--
Jim Holtman
Data Munger Guru
What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.
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https://stat.ethz.ch/mailman/listinfo/r-helpPLEASE do read the posting guide
http://www.R-project.org/posting-guide.htmland provide commented, minimal, self-contained, reproducible code.
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