Xuejun Qin wrote: > Hi, there, > I cannot get accurate value for calculation. > for example: > ld<-sqrt(1*0.05*0.95*0.05*0.95) > 0.05*0.95-ld=-6.938894e-18 > 0.05*0.95-ld==0 is False. > > I met this problem in my program, how can I handle it. Thanks. > > > xj. > > ______________________________________________ > 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.
Yes, PLEASE do read the posting guide, first poster! There you will find that there are FAQs where your first poster's question is already answered. And that the subject line can be used in a sensible manner. Best, Uwe Ligges ______________________________________________ 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.
