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hello every one, How to function more than one loop in R? I have the following problem to be solved with the a method of three loops, can you help me please? The data is attached with this message. The data is 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 pep...