comp {seqinr}R Documentation

complement a nucleic sequence

Description

Complement a sequence, for instance if the sequence is "a","c","g","t" it returns "t","g","c","a". All other values will return NA.

Usage

comp(seq)

Arguments

seq a vector of chars

Value

It returns a vector of character which is the complement of a sequence.

Author(s)

D. Charif

References

citation("seqinr")

Examples

   a=s2c("acgtgctcgtatatatatgccc")
   comp(a)              
   b=s2c("acgtXctcgtatatatatgccc")
   comp(b)

[Package seqinr version 1.0-4 Index]