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.