#Calculate The #Frequency Of Letters In A Biological Sequence, Or The #Consensus Matrix Of A Set Of Sequences https://www.rdocumentation.org/packages/Biostrings/versions/2.40.2/topics/letterFrequency
Beginner’s guide to #comparative #bacterial #genome analysis using next-generation sequence data https://microbialinformaticsj.biomedcentral.com/articles/10.1186/2042-5783-3-2