But R-ish NULL is *NOT* equal to R-ish zero, and that's what counts here. cheers,
Rolf Turner On 11/07/12 09:19, Erdal Karaca wrote: > german "Null" == english "zero" :-) > > 2012/7/10 Rolf Turner <rolf.tur...@xtra.co.nz > <mailto:rolf.tur...@xtra.co.nz>> > > > > In addition to taking cognisance of Richard Heiberger's reply you > should also learn to distinguish between the concept of "null" and > "zero". They are not at all the same thing. > > cheers, > > Rolf Turner > > > On 11/07/12 08:17, ollestrat wrote: > > Hello, > > I fear its a stupid question,..but here it is: > > If I do this simple calculation with the R console, I > surprisingly do not > get a zero. Why? > > -1.1-0.1+1.2 > [1] -2.220446e-16 > > > greetings, Ole > > [[alternative HTML version deleted]] ______________________________________________ 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.