
I am in the situation where I have to make a two-dimential plot of a set. If I simplify my data it would be something along the lines of wanting to plot {x,y| x^2+y^2 < = 1}. 
I am aware of the contour and persp plot, but cannot figure out how to convert one of those to draw the set. I have tried to google different ways of plotting in R but have not been able to find a method through that either. 
 
Thanks in advance
 
Lise  		 	   		  
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