Hi,
Can anyone please advise if there is a neat way to 'share' libraries of
(previously developed) S+ code with R?
Specifically, within S+ I can use the attach(what = "<Chapter Directory>",
pos = 2) command, to retrieve previously developed functions and variables
to position 2 in the search list. [Some may be intentionally masked by
what's in the current working chapter]. Can I similarly directly retrieve
these functions and variables within R at position 2 in the search list?
I have been able to achieve limited success via data.dump (within S+) and
subsequent data.restore functionality (within R). I have intentionally NOT
restored objects beginning with "." (via use of initial argument
objects(pos, regexpr.pattern = "^[^.]" within S+ data.dump command) because
of issues with .Random.seed due to differing random number generation
methodologies between S+ and R. I would wish to maintain this rationale of
not including such "." objects if possible. Also, I am not sure how to
restore objects to (a new R object at) position 2 as opposed to my workspace
(env argument defaulting to .GlobalEnv) via data.restore?
With regard to the 'attach' functionality within R I have been able to
retrieve previous functions developed within R and saved as an R data file.
So maybe my issue boils down to 'converting' the S+ <Chapter Directory> into
an R data file? I hope there is indeed such a simple solution.
Any help or advice would be greatly appreciated.
Thanks and kind regards
Paul
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