[R] rho stat from a fasta sequence file

[utpal]

Hi all, 

I have a sequence file (fasta format) and want to calculate the rho
statistics for dinucleotide abundance value on my data.. the code which I
use is (using seqinr library and current working directory) 

seq_info<-read.fasta("gene.txt")
rho(seq_info[1],2)
but it yields only the dinucleotides, not their rho values, i.e, 
> rho(seq_info[1],2) 
aa ac ag at ca cc cg ct ga gc gg gt ta tc tg tt 

I will be grateful if anyone solve this.. I've also attached the sequence
file.. 
Thanks in advance.. 
Utpal 

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