R help - Feb 2009 - Data format question

Hello all,

I have a *.csv file that looks like this (actual file is orders of magnitude
larger):

   site taxa no.ind meadow LMA 2 meadow LCY 1 meadow MSA 2 forest LMA 1
forest LCY 1 forest MSA 1 forest MSX 1

I am interested in, but have failed to create, code that efficiently
converts it to a site-by-taxa matrix or data frame that looks like this:
    LMA LCY MSA MSX Meadow 2 1 2 0 Forest 1 1 1 1

With no repeating taxa names and zeros where a taxon is not listed for a
site.  Any help would be greatly appreciated.

Regards,

Drew Garey
Aquatic Ecoloy Lab Manager
Virginia Commonwealth University

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