Or at least is seems that way to me. It's not a big problem, but the behavior doesn't match the documentation. (I think r-help is the place to report this. )
> x <- factor(1:5) > x.ro <- reorder(x, rnorm(5)) > is.ordered(x.ro) # should be FALSE according to ?reorder [1] TRUE > > x.ro <- reorder(x, rnorm(5), ordered=FALSE) > is.ordered(x.ro) # should be FALSE [1] TRUE Here is my session info: > sessionInfo() R version 2.11.1 (2010-05-31) x86_64-unknown-linux-gnu locale: [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8 [5] LC_MONETARY=C LC_MESSAGES=en_US.UTF-8 [7] LC_PAPER=en_US.UTF-8 LC_NAME=C [9] LC_ADDRESS=C LC_TELEPHONE=C [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C attached base packages: [1] splines datasets utils stats graphics grDevices methods [8] base other attached packages: [1] Design_2.3-0 Hmisc_3.8-3 survival_2.35-8 RODBC_1.3-2 [5] MASS_7.3-7 lattice_0.19-11 loaded via a namespace (and not attached): [1] cluster_1.13.1 grid_2.11.1 tools_2.11.1 ______________________________________________ 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.
