Is there a particular reason you can't use csv? write.csv() in R
It seems that you can read csv in Matlab with this http://www.mathworks.com/help/techdoc/ref/importdata.html Tom 2010/10/28 Claudia Beleites <cbelei...@units.it>: >> I am looking for ways to use R and Matlab. Doing the data transformations >> in >> R and using the data in Matlab to analyze with some pre-defined scripts. >> Any good ways to transfer the data into matlab in its most recent version? >> I tried using R.matlab but the writeMat output is not readable by Matlab. > > It used to work, but I didn't need it for quite a while (a year or so ago, > and with Matlab either 2007 or 2008a). > > I just tried, and neither does it work for me. > You should notify the maintainer of R.matlab and include an example (code > and data, e.g. with dput). > > I noticed that library (R.matlab) does not load the Rcompression package, > but also after library (Rcompression), the resulting file was not read by > Matlab. > > I tried loading a saved data.frame in Matlab 2008b on an Win XP computer: it > doesn't find any variables inside the .mat file (and whos -file ...) doesn't > show a variable. > > The other way round with a stupid little vector it worked. > > An R session (with only the 2nd try, after library (Rcompression)) is > attached below. > > >> I just need to output a data.frame and read it as is into matlab where I >> can >> do any needed transformations on the variables. > > If you need to transfer the data right NOW, there's always csv. > > Claudia > > ******************** > >> library (hyperSpec) > Loading required package: lattice > Package hyperSpec, version 0.95 > > To get started, try > vignette ("introduction", package = "hyperSpec") > package?hyperSpec > vignette (package = "hyperSpec") > > If you use this package please cite it appropriately. > citation("hyperSpec") > will give you the correct reference. > > The project is hosted on http://r-forge.r-project.org/projects/hyperspec/ > >> sessionInfo () > R version 2.12.0 (2010-10-15) > Platform: x86_64-pc-linux-gnu (64-bit) > > locale: > [1] LC_CTYPE=en_US.utf8 LC_NUMERIC=C LC_TIME=en_US.utf8 > [4] LC_COLLATE=en_US.utf8 LC_MONETARY=C > LC_MESSAGES=en_US.utf8 > [7] LC_PAPER=en_US.utf8 LC_NAME=C LC_ADDRESS=C > [10] LC_TELEPHONE=C LC_MEASUREMENT=en_US.utf8 LC_IDENTIFICATION=C > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > other attached packages: > [1] hyperSpec_0.95 lattice_0.19-13 R.matlab_1.3.3 R.oo_1.7.4 > R.methodsS3_1.2.1 > > loaded via a namespace (and not attached): > [1] grid_2.12.0 >> library (Rcompression) >> x = flu[[]] >> writeMat ("flu.mat", flu) > Error in dim(x) <- length(x) : invalid first argument >> writeMat ("flu.mat", x) >> sessionInfo () > R version 2.12.0 (2010-10-15) > Platform: x86_64-pc-linux-gnu (64-bit) > > locale: > [1] LC_CTYPE=en_US.utf8 LC_NUMERIC=C LC_TIME=en_US.utf8 > [4] LC_COLLATE=en_US.utf8 LC_MONETARY=C > LC_MESSAGES=en_US.utf8 > [7] LC_PAPER=en_US.utf8 LC_NAME=C LC_ADDRESS=C > [10] LC_TELEPHONE=C LC_MEASUREMENT=en_US.utf8 LC_IDENTIFICATION=C > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > other attached packages: > [1] Rcompression_0.8-0 hyperSpec_0.95 lattice_0.19-13 R.matlab_1.3.3 > R.oo_1.7.4 > [6] R.methodsS3_1.2.1 > > loaded via a namespace (and not attached): > [1] grid_2.12.0 > > > > -- > Claudia Beleites > Dipartimento dei Materiali e delle Risorse Naturali > Università degli Studi di Trieste > Via Alfonso Valerio 6/a > I-34127 Trieste > > phone: +39 0 40 5 58-37 68 > email: cbelei...@units.it > > ______________________________________________ > 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. > ______________________________________________ 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.
