[R] How to write a Greek letter in a graph?
Uwe Ligges
ligges at statistik.tu-dortmund.de
Sat Jan 19 13:30:44 CET 2008
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Jeremy Baxter wrote:
> Catherine
>
> Have a look at the help in text(), i.e.
>
> help(text)
... and particularly
help("plotmath")
Uwe Ligges
> I think you are looking for something along the lines of:
>
> xyplot(power1+power2 ~ pi0, data=resultb, ylab="Average Power", type="l",
> pch=LETTERS[1:2], lty=c(1:2), main="(a)", xlab=expression(pi[0]))
>
> i.e. i am assuming you want pi subscript zero. An example of using text would
> be
>
> text(6,10,expression( y==1.5*x+10))
>
>
> HTH,
> Jeremy
>
> On Friday 18 January 2008 10:16:22 pm cathelf wrote:
>> Hi,
>> Sorry for bothering you again. I have a small question about the graph and
>> the following is my code:
>>
>> xyplot(power1+power2 ~ pi0, data=resultb, ylab="Average
>> Power", type="l", pch=LETTERS[1:2], lty=c(1:2), main="(a)")
>>
>> The name of the X-axis will be “pi0” in the graph.
>>
>>
>> What should I do if I want the name of the X-axis is the
>> Greek letter of “pi0”?
>>
>>
>> Thanks a lot!
>> Catherine
>
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