[EMAIL PROTECTED] writes: > Hello, > here is the version of R that I use : > > > version > _ > platform i486-pc-linux-gnu > arch i486 > os linux-gnu > system i486, linux-gnu > status > major 2 > minor 3.1 > year 2006 > month 06 > day 01 > svn rev 38247 > language R > version.string Version 2.3.1 (2006-06-01) > > And here is one of the sequences of isntruction that returns an abberation : > > > x<-seq(0,1,by=0.01) > > x[71] > [1] 0.7 > > which(x == 0.7) > numeric(0) > > x[71] == 0.7 > [1] FALSE > > Or another version of (maybe) the same bug : > > > x <- 70 > > x == 70 > [1] TRUE > > x <- x*0 > > x <- 70 > > x == 70 > [1] TRUE > > x<-x*0.01 > > x > [1] 0.7 > > x == 0.7 > [1] FALSE > > It seems completely strange ... any help would be greatly appreciated :)
FAQ 7.31 http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-doesn_0027t-R-think-these-numbers-are-equal_003f -- O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
