FAQ 7.31 On 2/4/08, Eric Elguero <[EMAIL PROTECTED]> wrote: > Hi everybody, > > this is a warning more than a question. > > I noticed that seq produces approximate results: > > > seq(0,1,0.05)[19]==0.9 > [1] TRUE > > seq(0,1,0.05)[20]==0.95 > [1] FALSE > > seq(0,1,0.05)[21]==1 > [1] TRUE > > > seq(0,1,0.05)[20]-0.95 > [1] 1.110223024625157e-16 > > I do not understand why 0.9 and 1 are correct (within some > tolerance or strictly exact?) and 0.95 is not. > > this one works: > > > ((0:20)/20)[20]==0.95 > [1] TRUE > > Eric Elguero > > ______________________________________________ > 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.
