Questions tagged [hashing]

The tag has no usage guidance, but it has a tag wiki.

Filter by
Sorted by
Tagged with
7
votes
2answers
648 views

How to write a hash function for canonical kmers?

This question is a follow up from How do kmer counters determine which kmer is 'canonical'?. In that question we learned that kmer counting programs use a 2-bit hash function to internally represent ...
23
votes
4answers
2k views

Are there any rolling hash functions that can hash a DNA sequence and its reverse complement to the same value?

A common bioinformatics task is to decompose a DNA sequence into its constituent k-mers and compute a hash value for each k-mer. Rolling hash functions are an appealing solution for this task, since ...