Hello,
 
I am unable to get the greater-than-or-equal-to symbol (?) in a legend.
I am able to get pi, squares, sqrt, but not this particular symbol.  Can
anyone tell me what I am doing wrong?
 
legend(locator(n=1), legend = c("Observed", expression("Area < 5"* m^2),
expression("Area >= 5"*m^2)), pch=c(1,16,4), bg="white")
 
Much thanks in advance,
Krista
 
 

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