Probably a very simple problem:
I want to annotate a plot axis with a name of my data using
expression().
The name for the data is $\hat P4_k$ written in LaTex style -> hat
symbol above P, followed by a 4 and a subscripted k index
I tried to write this using
x<-c(1,2,3,4)
y<-c(3,5,7,9)
plot(x,y,xlab=expression(hat(P4[k])) )
but cant find a way to force the hat symbol to be located only above the
P symbol and not above the 4 symbol.
I have spent some time looking up ?expression, ?plotmath as well as some
other R docu but cannot find a way.
Any help is greatly appreciated.
Regards, toby
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