rspecial-characters
How to use registered, trademark or special symbols (other than Greek alphabets) in R, especially in plot headings?
I am trying to use the registered, trademark symbols in one of my R graphs. Is there are a way to present these special characters via codes or other identifiers?
Thanks!
Solution
You can just include them in the string. You can either put the actual character in the string or use the unicode escape
layout(matrix(1:4, ncol=2))
plot(1,1,main="Registered®")
plot(1,1,main="Registered\U00AE")
plot(1,1,main="TradeMark™")
plot(1,1,main="TradeMark\U2122")
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