[R] Mathematical expression

Filoche pmassicotte at hotmail.com
Thu Jul 22 21:47:45 CEST 2010


Hi everyone.

I'm trying to display the r^2 of a linear regression on a plot using
text(...). I first build the string to display.  However, I can't find why
this is not working (it display literally r^2 instead of r superscript 2).

r2string = expression(paste(r^2)," = ", r2);

Any help would be greatly appreciated,
Phil
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