OK I understand. Thanks a lot.
Regards, Mahmood On Wed, Jun 23, 2021 at 11:46 PM Bert Gunter <bgunter.4...@gmail.com> wrote: > Try: > ggplot(mydata, aes(x=W, y=`X/Y`)) + geom_violin(trim=FALSE) > > Note the use of *backticks*, ``, not single quotes, ' ' . ** They are > different.** > > So, yes, your data got read in correctly, presumably because "/" is > considered a character in your locale. It is not in mine. So my suggestion > was indeed irrelevant. > > 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 Wed, Jun 23, 2021 at 2:39 PM Mahmood Naderan <mahmood...@gmail.com> > wrote: > >> Hi Bert, >> I don't know what does "check.names" do here, but my commands look like >> >> >> > mydata <- read.csv('r.3080..csv', header=T,row.names=1) >> >> > head(mydata) >> W A X/Y >> P1 M 1.469734 0.004144405 >> P2 M 20.584841 0.008010306 >> P3 M 53.519800 0.166034888 >> P4 M 42.308700 0.051545443 >> P5 M 99.236384 0.893037857 >> P6 M 94.279504 0.856837525 >> >> So when I use >> >> p <- ggplot(mydata, aes(x=W, y='X/Y')) + geom_violin(trim=FALSE) >> >> >> The output is not correct. I don't see values (scale) on the y-axis. >> Anyway, I fixed that with a label. >> >> Regards, >> Mahmood >> >> >> >> >> On Wed, Jun 23, 2021 at 11:16 PM Bert Gunter <bgunter.4...@gmail.com> >> wrote: >> >>> I found your specification quite vague. What did you mean by a "data >>> file" -- a data frame in R? -- a file in the file system? >>> >>> I may be completely wrong here, but another possibility is that you read >>> your data into an R data.frame via, e.g. read.table() or read.csv(), but >>> failed to specify the check.names = FALSE, argument. This would cause a >>> column named "x/y" in your original table to be given the name "x.y" in R, >>> as "x/y" is not a syntactically valid name. See ?make.names for details. >>> >>> As others have already said, enclosing non-syntactically valid names in >>> back ticks usually works (maybe always works??). So for example: >>> >>> z<-data.frame (`a/b` = 1:5, y = 1:5, check.names = FALSE) >>> plot(y ~ `a/b`, data = z) ## produces desired plot with correct label >>> z ## yields: >>> a/b y >>> 1 1 1 >>> 2 2 2 >>> 3 3 3 >>> 4 4 4 >>> 5 5 5 >>> >>> Of course, ignore if this is all irrelevant. >>> >>> 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 Wed, Jun 23, 2021 at 1:37 PM Mahmood Naderan <mahmood...@gmail.com> >>> wrote: >>> >>>> Unfortunately, using 'X/Y' doesn't work either. >>>> Instead I used labels like below >>>> >>>> P + scale_y_continuous(name="X/Y") >>>> >>>> Thanks for the suggestions. >>>> >>>> Regards, >>>> Mahmood >>>> >>>> >>>> >>>> >>>> On Wed, Jun 23, 2021 at 9:22 PM Eric Berger <ericjber...@gmail.com> >>>> wrote: >>>> >>>> > If no one comes up with a better suggestion: >>>> > a. Change the column name to "Y" so that you get the plot you want >>>> > b. Use axis labels and legend text to show the text that you want. >>>> (The >>>> > user never has to know that you changed the column name 😃) >>>> > >>>> > HTH, >>>> > Eric >>>> > >>>> > On Wed, Jun 23, 2021 at 9:58 PM Mahmood Naderan <mahmood...@gmail.com >>>> > >>>> > wrote: >>>> > >>>> >> Hi >>>> >> I have a column in my data file which is "X/Y". With '/' I want to >>>> >> emphasize that values are the ratio of X over Y. >>>> >> Problem is that in the following command for a violin plot, I am not >>>> able >>>> >> to specify that '/' even with double quotes. >>>> >> >>>> >> p <- ggplot(mydata, aes(x=W, y="X/Y")) + geom_violin(trim=FALSE) >>>> >> >>>> >> However, if I change that column to "Y" and use >>>> >> >>>> >> p <- ggplot(mydata, aes(x=W, y=Y)) + geom_violin(trim=FALSE) >>>> >> >>>> >> Then the plot will be correctly shown. >>>> >> Any ideas for that? >>>> >> >>>> >> Regards, >>>> >> Mahmood >>>> >> >>>> >> [[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. >>>> >> >>>> > >>>> >>>> [[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. >>>> >>> [[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.