[R] Special characters in cell names

[Mahmood Naderan]

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

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