[R] sparseM and kronecker product_R latest version

[alessia matano]

Many thanks for your suggestions,

fortunately when I closed R and opeedn it again, it did not give again
that error. However, now there is something more strange happening,
related again to sparse matrix, and I am afraid it could concern
memory problems (I put 4000 of memory limit).

I am defining a matrix where I have nrow=113289, ncol=36698 such as:

D<- as.matrix.csr(0, nrow, ncol)

Error in if (length(x) == nrow * ncol) x <- matrix(x, nrow, ncol) else { :
  missing value where TRUE/FALSE needed
In addition: Warning message:
In nrow * ncol : NAs produced by integer overflow

With reduced number of rows and columns it worked, so I am wondering
wether it is a problem of memory. My pc has 6gb of nmemory, and it is
64-bit windows system, but R reads only 4 has capacity.

Thanks for your help
alessia


2010/1/11 David Winsemius <dwinsemius at comcast.net>:
>
> On Jan 11, 2010, at 7:55 AM, Peter Ehlers wrote:
>
>> Do you have the same problem with the example
>> on the help page?
>>
>> ?'%x%-methods'
>>
>> Works for me on Windows Vista (32-bit OS) and
>> R version 2.10.1 Patched (2010-01-05 r50896).
>>
>> -Peter Ehlers
>>
>> alessia matano wrote:
>>>
>>> Dear all,
>>> I just installed the new version of R, 2.10.1, and I am currently
>>> using the package sparseM. (I also use a 64 bit windows version)
>
> SparseM
>
>>> I got a problem that I never had: when I try to multiply with a
>>> kronecker product (%x%) two sparse matrixes I get the following
>>> message:
>>> Error in dim(x) <- length(x) : invalid first argument
>>> I never had this problem with previous versions of R.
>
> I get the same error as you do when trying the example on the cited help
> page using SparseM 0.83 in a 64 bit Mac version of 2.10.1
>
>> A.csr %x% matrix(1:4,2,2)
> Error in dim(x) <- length(x) : invalid first argument
>
>> sessionInfo()
> R version 2.10.1 RC (2009-12-09 r50695)
> x86_64-apple-darwin9.8.0
>
> locale:
> [1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8
>
> attached base packages:
> [1] grid      splines   stats     graphics  grDevices utils     datasets
>  methods   base
>
> other attached packages:
>  [1] SparseM_0.83       Matrix_0.999375-32 Epi_1.1.10         plotrix_2.7-2
>      ROCR_1.0-4
>  [6] gplots_2.7.4       caTools_1.10       bitops_1.0-4.1     gdata_2.6.1
>      gtools_2.6.1
> [11] lattice_0.17-26    Design_2.3-0       Hmisc_3.7-0
>  survival_2.35-7
>
> loaded via a namespace (and not attached):
> [1] cluster_1.12.1 tools_2.10.1
>
>
>
>>> May you help me?
>>> thanks
>>> alessia
>>> ______________________________________________
>>
>> --
>> Peter Ehlers
>> University of Calgary
>> 403.202.3921
>>
>> ______________________________________________
>
> David Winsemius, MD
> Heritage Laboratories
> West Hartford, CT
>
>