[EMAIL PROTECTED] writes: > Is it doing an extra eval or something? It looks like it: > > > x <- expression() > > x > expression() > > eval(x) > NULL > > > > x <- quote(expression()) > > x > expression() > > eval(x) > expression() > > eval(eval(x)) > NULL
You do realize that the two expression() results are not identical: > x <- quote(expression()) > class(x) [1] "call" > x <- expression() > class(x) [1] "expression" Not that I can fathom what bearing that has on the real problem... -- O__ ---- Peter Dalgaard Blegdamsvej 3 c/ /'_ --- Dept. of Biostatistics 2200 Cph. N (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ R-devel@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
