Hi,

It seems that there is no R function for TWINSPAN, but you can get the program for free here:

http://www.canodraw.com/wintwins.htm

Anyway, I would better use IndVal analysis (Dufrene & Legendre 1997) that you can find here for R (indicspecies package):http://sites.google.com/site/miqueldecaceres/software

hope this helps,

Andres

Yong Zhang <2010202035@njau.edu.cn> escribió:

> Helo all,
>
> These days, when I looked into the multivariate analysis of community 
> data, I noticed that there is a very useful classification approach 
> named "TWINSPAN", maybe most of you already know that its full name 
> is "Two-way indicator species analysis", and the program has the same 
> name---TWINSPAN.
>
> Could any one tell me whether this program is for free? And when and 
> how could get one? Any hint or suggestion from you will be greatly 
> appreciated.
>
> Thanks very much for your time and answer.
>
> All the best,
> Yong
>
>
> 2011-04-13
>
>
>
> ZHANG Yong
> Lab of aquatic insects & stream ecology
> Dept.of Entonology, Nanjing Agricultural University
> Nanjing, 210095,China
> Phone number:  (+86) -25-84395241
> E-mail:2010202035@njau.edu.cn
>

-- 
Andrés Mellado Díaz

Centre for Hydrological Studies CEH-CEDEX
Water Quality Department
Pº bajo de la Virgen del Puerto, 3
28005, Madrid
SPAIN
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