On Jan 22, 2011, at 21:08 , Vitalie S. wrote: > The only definite argument occurred in the thread against "+" operator > was the lack of commutativity (as if one have to prove algebraic > theorems in R).
I think the real killer was associativity, combined with coercion rules: Is "x"+1+2 supposed to be equal to "x12" or "x3"? -- Peter Dalgaard Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel