[R] Script to count unique values from two linked matricies

benrgillespie
Mon, 24 Sep 2012 11:47:02 -0000

I hope you can help with this one.

I have two matricies:

1. A species abundance matrix:

<http://r.789695.n4.nabble.com/file/n4643979/2species_matrix.jpg>

2. A species trait score matrix:

<http://r.789695.n4.nabble.com/file/n4643979/2trait_matrix.jpg>

The trait matrix lists trait scores for each species as listed in the
species abundance matrix.

I would like to create a script that would effectively count the unique
traits (trait richness) for each site and produce an output like this:

<http://r.789695.n4.nabble.com/file/n4643979/trait_richness.jpg>

Firstly, is this possible in R? Secondly, if so, how would you go about
writing a script to achieve my aim?

Many thanks in advance, please let me know if you need further information.

Ben Gillespie (Research Postgraduate)



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