>> library(codetools) >> findGlobals(power) Thanks for your answer. In addition, findGlobals(power,FALSE) gives the list of the globals variables alone :
> findGlobals(power,F) $functions [1] "^" "{" "<-" "return" $variables [1] "pp" ---------------------------------------------------------------- Ce message a ete envoye par IMP, grace a l'Universite Paris 10 Nanterre ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.