[R] how to use Excel VBA's Shell() to call and execute R file

[kuna_matata]

I realize this is an old post, but thought it's good to answer for other
folks that hit it during a search.

RExcel is fantastic. However, it requires all the users to install RExcel.
So the VBA approach may still be a good alternative in some simple cases,
like the example question.

I think what you need it a wrapper .bat file. Create a .bat file that does
the R execution that you desire. Then call that .bat file using the shell()
command in VBA. Using a wrapper also makes debuging easier. You can run it
from a cmd prompt outside excel to test it and see error messages for
example.

kuna_matata



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