distGrantham | R Documentation |
distGrantham
calculates normalized Grantham distance between two
amino acid sequences. For details on calculations see
Grantham R. 1974..
distGrantham(aa1, aa2)
aa1 |
Character vector giving amino acid sequence using one letter codings. Each element must correspond to single amino acid. |
aa2 |
Character vector giving amino acid sequence using one letter codings. Each element must correspond to single amino acid. |
Distance between amino acid sequences is normalized by length of compared sequences.
Lengths of aa1
and aa2
must be equal.
Numeric vector of normalized Grantham distance between aa1
and
aa2
.
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