On 06/09/2007 7:36 PM, Roland Rau wrote: > François Pinard wrote: >> I wonder what happened, for R to hide the underlying Scheme so fully, at >> least at the level of the surface language (despite there are hints). > > As far as I understood, the original version of Ihaka/Gentleman was > written in Scheme. But even if you look at the source version of R 0.49 > (the oldest I can find), the source files are written in C. In addition, > in their article published in "Journal of Computational and Graphical > Statistics" in 1996, Ihaka and Gentleman write on page 307: "To further > foster portability, we chose to write R in ANSI C...." > > Hope this clarifies the situation a bit. If we are lucky and one of the > original authors reads this thread they might explain the situation > further and better (and probably correct me).
You could also look at Ross Ihaka's paper that is online here: http://cran.r-project.org/doc/html/interface98-paper/paper.html R was written in C, with the intention that it be Scheme-like. Duncan Murdoch ______________________________________________ R-help@stat.math.ethz.ch 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.
