[R] plotting Formulas with greek letters and variable values (expression, substitute, paste, ...)

rrookie1982 desser1 at uni-bonn.de
Sun Jan 17 18:47:49 CET 2010

Hallo together,

I want to write a formula of the type


into my plot, where the values 1.234 and -0.567 should origin from variables
in the program. The threads in this forum gave me some ideas that the
functions expression(), paste(), and substitute() will get me there but I
just cannot figure out how to do it. The closest I got is:

text(0,7.5,substitute(expression(paste(symbol("t"),"(A) = ",c1 +

Thankful for any suggestions!
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