Hope this is clear: > x <- seq(0.1, 1, by=0.1) > 0.3 == x[3] [1] FALSE > abs(0.3 - x[3]) [1] 5.551115e-17
Andy From: Jacques VESLOT > > sorry if it has already been discussed but i can't understand this: > > > seq(0.1,1,by=0.1) > [1] 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 > > match(0.1,seq(0.1,1,by=0.1)) > [1] 1 > > match(0.2,seq(0.1,1,by=0.1)) > [1] 2 > > match(0.3,seq(0.1,1,by=0.1)) > [1] NA > > match(0.4,seq(0.1,1,by=0.1)) > [1] 4 > > > R.version > _ > platform i386-pc-mingw32 > arch i386 > os mingw32 > system i386, mingw32 > status > major 2 > minor 2.1 > year 2005 > month 12 > day 20 > svn rev 36812 > language R > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
