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What are the methods that can be used for evaluating the similarity of the sequences? Lets say that we have three sequences; I want to be able to say that "statistically" the sequence number 1 and the sequence number 3 are similar, but the sequence number 2 is "statistically" distinct. Like a p-value for statistical tests.

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  • $\begingroup$ What type of sequences are we talking about (continuous variable or discrete? Which length?) $\endgroup$
    – nico
    Jul 25, 2013 at 17:03
  • $\begingroup$ @nico I have a sequence of different sizes from 4 to a hundred, but it has a skewed distribution (the mod is around 20). The variables are discrete (categorical) and I am using the levenshtein distance to calculate the distance between them, but I am not sure how can I say that how these sequences are statistically similar to each other $\endgroup$
    – POD
    Jul 25, 2013 at 17:12
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    $\begingroup$ This sounds quite similar to biological sequence alignment, which has been studied quite a bit. You can find some information here: ncbi.nlm.nih.gov/BLAST/tutorial $\endgroup$
    – Bitwise
    Jul 25, 2013 at 17:18

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