
I have to create a number of bubble plots, and am wondering what methods folks prefer for this task. I've been experimenting with the symbols() function, with text() to provide plot labels. Any opinions on the relative merits of this method versus others?  One criterion would be the ability to fine-tune the placement of text labels.  I would like to use lattice, but haven't found a way to make it work for this purpose.
Thanks in advance. 		 	   		  
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