Displaying 1 result from an estimated 1 matches for "acdefghiklmnpqrstvwy".
2010 Jan 17
6
More than on loop??
...composed of two parts, cleaved (denoted by ?cleaved?) and non
cleaved (denoted by ?noncleaved?).
? to access to the ith peptide, you can use X$Peptide[i]
? to access to the ith label, you can use X$Label[i]
define a set of amino acids using string or other format if you want
amino.acid<-"ACDEFGHIKLMNPQRSTVWY"
define two matrices with initialised entries, one for cleaved peptides and
one for none-cleaved peptides
? matrix(0,AA,mer),where AA is the number of amino acids, and mer is the
number
of residues detected from data using the nchar function
? both matrices have the same size, the number of r...