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...tware, esp. MATLAB), issues on setting up the cluster, etc. Has anyone here some experience of R on a cluster? Does it provide significant benefits as regards processing time? Is setting up the cluster more difficult than using R on it? Thanks. Saroj K Mohapatra, MD Research Associate Tainsky Lab Karmanos Cancer Institute Wayne State University School of Medicine 110 E. Warren, Room 311 Detroit MI 48201 313-833-0715 x2424 saroj at wayne.edu

Hi, everyone, I want to install Rmpi on a cluster with Fedora linux. It already installed mpich2, but not lam-mpi. I installed R-2.2.0 on it already. And I got error as below: * Installing *source* package 'Rmpi' ... Try to find mpi.h ... checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are

Hi, I always use dir(pattern="*.RData") in all the earlier version of R (1.8, 1.9, 2.0.1). Error messege is as below: Error in list.files(path, pattern, all.files, full.names, recursive) : invalid 'pattern' regular expression Does anyone have an idea what's going on? How should I define the pattern I need in R-2.1.0? Thanks! Bin