I have a situation where my GAMS model calls an R script in the execution of a loop. In each iteration of the loop, the exchange of data goes in both ways: GAMS produces data that are read by the R script, and vice versa.
I had tried a solution where the exchange of data operates through a GDX file. This works fine, except that the gdxrrw library in R requires a more recent version of GAMS than the one for which I have license.
I am thus trying to find an alternative solution. I had considered using csv files for the exchange of data, but I understand you can not read text files during execution:
https://www.gams.com/latest/docs/UG_Dat ... ASCII.html
A similar issue arises if I would use Excel files for the data exchange (using this solution requires the declaration of a set during the loop, which is not allowed)
Are there any alternative solutions to create an interface between R and GAMS?
Questions on using the GAMS APIs (Python, .NET, etc.)
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