Hi [EMAIL PROTECTED] napsal dne 17.07.2008 11:47:42:
> Dear List, > > I ran into some trouble by calculating differences. For me it is > important that differences are either 0 or not. So you shall not use computers. They do not work with infinite precision. See Faq 7.31 Regards Petr > > So I don't understand the outcome of this calculation > > 865.56-(782.86+0+63.85+18.85+0) > [1] -1.136868e-13 > > I run R version 2.71 on WinXP > > I could solve my problem by using > round() > but I would like to know the reason. > Maybe someone can help me? > > Thanx > > ______________________________________________ > 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.