Description Usage Arguments Value
This takes all n sequences, of m positions and constructs a matrix containing sequence amino acid x position amino acids are represented as integers 1-20, 21 non-AA character
1 | letterMatrix(aln, alphabet, npos)
|
aln |
alignment list of sequences |
alphabet |
character vector of alphabet (amino acids used) |
npos |
number of positions in the alignment |
matrix of amino acid indices for each sequence/position
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