The problem is that neither 0.55 nor 2.55 are exact machine numbers (the computer uses binary representation), so it may happen that the machine representation of 0.55 is slightly less than 0.55 while the machine representation of 2.55 is slightly above 2.55.
--- On Fri, 11/7/08, Korn, Ed (NIH/NCI) [E] <[EMAIL PROTECTED]> wrote: > From: Korn, Ed (NIH/NCI) [E] <[EMAIL PROTECTED]> > Subject: [R] rounding > To: [EMAIL PROTECTED] > Received: Friday, 11 July, 2008, 6:07 AM > Hi, > > Round(0.55,1)=0.5 > > Round(2.55,1)=2.6 > > Can this be right? > > Thanks, > > Ed > > [[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. ______________________________________________ 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.