[R] sparseM and kronecker product_R latest version

[David Winsemius]

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