[R] Greek letters in legend without a space

From: ming kung <mhkung_at_gmail.com>
Date: Thu, 7 Feb 2008 16:59:52 -0500

I am trying to make a figure legend that says "uM" (but replace "u" with mu).

When I use the following script, my legend looks more like "u M", rather than "uM".

> legend(1,1, c(expression(1~mu~M)))

How do I get rid of the space R places in when using the expression command to insert a greek letter?

Thanks very much in advance

Ming Kung
Graduate Student, Toxicology
University of Rochester

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