I can't reproduce this on my mac: > sessionInfo() R version 2.10.1 (2009-12-14) x86_64-apple-darwin9.8.0
locale: [1] C attached base packages: [1] graphics grDevices datasets utils stats methods base other attached packages: [1] fortunes_1.3-7 quantreg_4.44 SparseM_0.83 loaded via a namespace (and not attached): [1] tools_2.10.1 url: www.econ.uiuc.edu/~roger Roger Koenker email rkoen...@uiuc.edu Department of Economics vox: 217-333-4558 University of Illinois fax: 217-244-6678 Urbana, IL 61801 On Jan 11, 2010, at 8:00 AM, David Winsemius wrote: > > 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 ______________________________________________ R-help@r-project.org mailing list 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.