Š¢hanks for the advice, Jeff. Will keep it in mind. But I am anal - I shy away from using letters and words that "look familiar" to me in R (such as mean, sd, T, etc.) But still, it's a good advice.
On Thu, Jul 27, 2017 at 11:53 AM, Jeff Newmiller <jdnew...@dcn.davis.ca.us> wrote: > I think you should be more suspicious of yourself, Dimitri. A letter T > variable can easily arise in the problem domain when you are not thinking > of logical values at all, at which point your cavalier use of T as a > synonym for TRUE can suddenly become a bug. > -- > Sent from my phone. Please excuse my brevity. > > On July 27, 2017 8:18:03 AM PDT, Dimitri Liakhovitski < > dimitri.liakhovit...@gmail.com> wrote: > >Thank you, Bert! > > > >I do NOT have an object named "T" in scope (I checked - and besides, it > >would never occur to me to use this name). > >TRUE or T results in the same unexpected behavior: > > > >ggplot(data = md, mapping = aes(x = a)) + > > geom_bar(na.rm = TRUE) > > > > > > > >On Thu, Jul 27, 2017 at 10:57 AM, Bert Gunter <bgunter.4...@gmail.com> > >wrote: > > > >> Just a thought: > >> > >> Did you try na.rm = TRUE in case you have an object named "T" in > >scope? > >> > >> -- Bert > >> > >> > >> 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 Thu, Jul 27, 2017 at 7:49 AM, Dimitri Liakhovitski > >> <dimitri.liakhovit...@gmail.com> wrote: > >> > To clarify: my question is not about "who could I exclude NAs from > >being > >> > counted" - I know how to do that. > >> > My question is: Why na.rm = T is not working for geom_bar in this > >case? > >> > > >> > On Thu, Jul 27, 2017 at 8:24 AM, Dimitri Liakhovitski < > >> > dimitri.liakhovit...@gmail.com> wrote: > >> > > >> >> Hello! > >> >> > >> >> I am trying to understand how ggplot2's geom_bar treats NAs. > >> >> The help file says: > >> >> > >> >> library(ggplot2) > >> >> ?geom_bar > >> >> na.rm: If FALSE, the default, missing values are removed with a > >warning. > >> >> If TRUE, missing values are silently removed. > >> >> > >> >> I am trying it out: > >> >> md <- data.frame(a = c(letters[1:5], letters[1:4], letters[1:3], > >rep(NA, > >> >> 3))) > >> >> str(md); levels(md$a) > >> >> > >> >> ggplot(data = md, mapping = aes(x = a)) + > >> >> geom_bar(na.rm = F) > >> >> It runs without warnings and generates counts for each factor > >level AS > >> >> WELL AS the NAs. Makes sense. > >> >> > >> >> Now, I don't want the NAs to be counted. So, I run: > >> >> ggplot(data = md, mapping = aes(x = a)) + > >> >> geom_bar(na.rm = T) > >> >> > >> >> But I still have NAs in the picture. Why? > >> >> What am I missing? > >> >> > >> >> Thank you! > >> >> -- > >> >> Dimitri Liakhovitski > >> >> > >> > > >> > > >> > > >> > -- > >> > Dimitri Liakhovitski > >> > > >> > [[alternative HTML version deleted]] > >> > > >> > ______________________________________________ > >> > 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. > >> > -- Dimitri Liakhovitski [[alternative HTML version deleted]] ______________________________________________ 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.