Reach for your Matlab data with R

梦里梦外; 2022-09-24 12:26 165阅读 0赞

If you work with both Matlab and R, the [R.matlab package][] maintained by Henrik Bengtsson on CRAN helps you to connect the two environments by allowing you to read and write Matlab's MAT data file format from R (even if you don't have Matlab installed). This allows you to pass data between Matlab and R via the filesystem.

But if you want to build an integrated R/Matlab workflow, and call Matlab functions directly from R, there is also the [reach package][]by Christoph Schmidt (available on Github). The reach package works with a Matlab installation behind the scenes, by writing scripts for batch execution by Matlab, and exchanging data via files. (This is a simpler integration than the beta Java-based connectivity also provided by R.matlab, but Christoph claims this interface is more robust.) This is all transparent to the user though, who with just R functions is able to:

*  call and execute Matlab functions seamlessly as if they were R functions and return their results directly into the R session
 *  convert .mat files into .RData files, and even batch-convert all .mat files contained within a folder
 *  launch Matlab scripts, and import the results back into R
 *  execute Matlab functions and print their results at the command line
 *  exchange list and matrix objects between the two systems

I don't have access to Matlab, so I wasn't able to try R.matlab or the "reach" packagage myself. But if you try it out, let us know how it works.

github (schmidtchristoph): [reach][reach package]

[R.matlab package]: https://mran.revolutionanalytics.com/package/R.matlab/
[reach package]: https://github.com/schmidtchristoph/reach

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