On Fri, May 2, 2008 at 2:23 PM, Vincent Goulet <[EMAIL PROTECTED]> wrote: > Hi, > > From the R Language Definition, Section 3.4.1: > > "If i is positive and exceeds length(x) then the corresponding selection is > NA. A negative out of bounds value for i causes an error." > > (This is also mentioned in S Programming, footnote of page 24.) > > Can someone please provide an example triggering the error? Looking in > src/main/subscript.c I could not find exception handling for |i| > > length(x), unless the negative subscript is mixed with NAs. In other cases, > out of bounds negative indexes just seem silently ignored. > > Did I missed or misinterpreted something, here?
Well, there's this: > a <- 1:10 > a[NA] [1] NA NA NA NA NA NA NA NA NA NA > a[-NA] [1] NA Hadley -- http://had.co.nz/ ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
