This solved the problem exactly, thank you very much.

Nick

On Thu, Sep 18, 2014 at 12:22 AM, Liam J. Revell <liam.rev...@umb.edu>
wrote:

> Hi Nicholas.
>
> I think this is a bug. Try the following to circumvent:
>
> write.nexus.data(as.list(data), file="test.nex", interleaved=TRUE,
>         charsperline=100)
>
> Since I don't have your dataset, I can't check it; but it fixed the
> problem in another dataset with which I was able to reproduce the error.
>
> 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 9/17/2014 10:46 PM, Nicholas Crouch wrote:
>
>> Hi,
>>
>> I am having a problem with write.nexus.data, such that the file generated
>> is nonsense.
>>
>> I have a very, very large data set, but have been working with a subset
>> trying to solve this problem. My data is in .fasta format, and I am
>> looking
>> to convert it into nexus format.
>>
>> I load the data:
>>
>>  library(ape)
>>> data <- read.dna("concat.fasta", format="fasta", as.matrix=TRUE)
>>>
>>
>> This gives the following:
>>
>>  data
>>> 5 DNA sequences in binary format stored in a matrix
>>>
>>
>>      All sequences of same length: 5023
>>
>>      Labels: Species etc.
>>
>>      Base composition: a c g t
>>
>> Also:
>>
>>  class(data)
>>> "DNAbin"
>>>
>>
>> This is exactly the same as the woodmouse example data provided in the
>> package ape, which I have been following when trying to solve this issue
>> (see ?write.nexus.data). When I export the data:
>>
>>  write.nexus.data(data, file="test.nex", interleaved=TRUE,
>>>
>> charsperline=100)
>>
>> a file is produced which begins:
>>
>> BEGIN DATA;
>>    DIMENSIONS NTAX=135165 NCHAR=1;
>>    FORMAT DATATYPE=DNA MISSING=? GAP=- INTERLEAVE=YES;
>>    MATRIX
>>      1           04000000000 etc.
>>
>> I haven't been able to find other posts on this, any help is greatly
>> appreciated.
>>
>> Sincerely,
>>
>> Nick
>>
>>
>>


-- 
Nicholas Crouch
Graduate Student, Igić Lab
Department of Biological Sciences
University of Illinois at Chicago

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