[R] greater-than-or-equal-to symbol in a legend

From: Krista Chin <057448c_at_acadiau.ca>
Date: Mon 06 Jun 2005 - 10:59:35 EST


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,

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