I don't know if this has already been answered, but read.nexus.data in
ape automatically creates a list character vectors. To get the number of
states in each character you can do:
N<-apply(data.frame(X),1,function(x) length(unique(x)))
if your data is an object of class "DNAbin" then the following highly
similar code does the same thing:
N<-apply(as.matrix(X),2,function(x) length(unique(x)))
Let us know if you found another solution or if this does not work.
All the best, Liam
Liam J. Revell, Assistant Professor of Biology
University of Massachusetts Boston
web: http://faculty.umb.edu/liam.revell/
email: liam.rev...@umb.edu
blog: http://blog.phytools.org
On 3/6/2015 6:19 AM, Paolo Piras wrote:
Hi folks,
I have a nexus data matrix with n taxa and m discrete characters (including
some polymorphisms); I would like to know which characters are binary and
which ones are multistate.
Maybe some manual coding will be sufficient but just in case...there is a
function, in your knowledge, able to do that?
Thankyou in advance
Paolo Piras
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