On Wed, 30 Aug 2006 [EMAIL PROTECTED] wrote: > Full_Name: Mark James Kelly > Version: 2.3.1 > OS: Windows > Submission from: (NULL) (193.63.127.224) > > > Sequence produces slightly inaccurate results.
Not a bug, but a FAQ (7.31): http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-doesn_0027t-R-think-these-numbers-are-equal_003f Try: otherthing[25]==thingnor[3] identical(otherthing[25], thingnor[3]) all.equal(otherthing[25], thingnor[3]) ?all.equal > > #This (supposedely) creates a sequence 0.060,0.065,0.070.....0.30 > thingnor=(seq(0.06,0.30,by=0.005)) > > #This does the same but rounds to three decimals > thingrou=round(seq(0.06,0.30,by=0.005),3) > > #This is another vector, the same length as the two above, with 24 zeroes, > then > 0.070, then 24 zeroes > otherthing=c(rep(0,24),0.070,rep(0,24)) > > > #This fails to select the entries equal to 0.070 > otherthing[otherthing==thingnor[3]] > > #This gives the correct answer > otherthing[otherthing==thingrou[3]] > > > #This compares the two sequences (which should be identical) > (thingnor-thingrou) > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > -- Roger Bivand Economic Geography Section, Department of Economics, Norwegian School of Economics and Business Administration, Helleveien 30, N-5045 Bergen, Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43 e-mail: [EMAIL PROTECTED] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
