Backticks. NOT apostrophes. — David
Sent from my iPhone > On Jun 23, 2021, at 2:40 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. ______________________________________________ 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.