Below. Bert Gunter
"The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) On Sat, Jul 30, 2016 at 11:38 AM, Neal H. Walfield <n...@walfield.org> wrote: > On Sat, 30 Jul 2016 20:35:40 +0200, > Jeff Newmiller wrote: >> >> >> [1] TRUE FALSE TRUE FALSE ## NOT c(T,F,T,F) >> > >> >I'm not sure what you mean by NOT here. You get the same answer as I >> >do, as far as I can see. >> > >> >> # valid R >> T <- FALSE >> # invalid R >> TRUE <- FALSE >> >> It is much much safer and clearer to use TRUE/FALSE than T/F. So >> >> c( TRUE, FALSE, TRUE, FALSE ) may not always be the same as c(T,F,T,F). > > I see. I was just trying to create a minimal example. I'll try to be > more vigorous next time! ... and more rigorous, too, I hope. ;-) -- Bert > >> I recommend reading the R Inferno to learn about this other such pitfalls. > > Thanks for the tip! ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.