Important to notice: this seems to be an issue only with an unordered factor on the X axis. When the variable is numeric or an ordered factor, then it works as described in Help.
On Thu, Jul 27, 2017 at 11:58 AM, Dimitri Liakhovitski < dimitri.liakhovit...@gmail.com> wrote: > 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 > -- 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.
