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Re:Why I Use Nim instead of Python for Data Processing by benjamin-lee on Thursday September 23, 2021 @06:39PM (#28636479)
This is because there's four bases and each can either be included or excluded from a given combination. So there are 4*2 = 16 combinations each of which with their own letter. In all honesty, these are pretty rarely used in practice these days except for N (any base) although they do sometimes show up when representing consensus sequences.
Re:Why I Use Nim instead of Python for Data Processing by pdimitar on Saturday September 25, 2021 @08:26AM (#28652584)
What do you mean that each base can be included or excluded? Isn't only one extra value needed? Sort of like nil?
Re:Why I Use Nim instead of Python for Data Processing by ac29 on Saturday September 25, 2021 @12:48PM (#28654494)
Because there are notations for any combination of bases. There's a way to indicate "C or G", "A or T", "C, G, or A", etc.
Re:Why I Use Nim instead of Python for Data Processing by pdimitar on Saturday September 25, 2021 @01:00PM (#28654568)
Oh. So what's the grand total of all possible permutations of single and multiple (connected with an "or") values?

I'll also read through your links, thanks for posting them.