[R] Script to count unique values from two linked matricies
PIKAL Petr
petr.pikal at precheza.cz
Mon Sep 24 14:34:53 CEST 2012
Hi
I have no access to Nabble so it is difficult to understand what do you want.
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of benrgillespie
> Sent: Monday, September 24, 2012 1:47 PM
> To: r-help at r-project.org
> Subject: [R] Script to count unique values from two linked matricies
>
> 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
Why not, everything is possible with R. Maybe you could provide data by dput(species).
Maybe you want something like ?table or ?aggregate.
Without data it is hard to say.
Regards
Petr
> 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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