![]() Perhaps they need to access subroutines from external Fortran libraries. Or maybe they have written some code in R that winds up being incredibly slow so they write a much faster version in Fortran and then want to call it from R. Most people wind up wanting to access Fortran from R for a few reasons such as they have some really fast and efficient Fortran code that they want to exploit within R. ![]() I rarely use Windows though do know that the GNU suite is available for that OS so you should be able to link Fortran code into R there. Relative to operating systems I use Linux and OSX. I’ll talk about how to integrate Fortran code with R and, in a later post, discuss doing the same with C and C++.ĭISCLAIMER: To accomplish this work requires the presence of a working Fortran compiler such as the GNU suite of compilers (g77, gfortran, gcc, etc). This is true but until you are presented with a compelling use case you will most likely ignore such capability since you’ve already got plenty to do. And, along the way, you might have heard that R has the ability to “link in” code written in other languages such as C, C++, Fortran, and Java. If you are a newcomer to R then you are probably quite busy learning the semantics of the language as you experiment with the apply family of commands or come up to speed on the grouping and conditioning capabilities offered by lattice graphics.
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