FAQ 7.31 (You need to understand what floating point numbers are) On 3/3/08, Xuejun Qin <[EMAIL PROTECTED]> 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. >
-- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? ______________________________________________ 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.