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Alex Rivera
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I have a text file that looks like this: gene1 gene2 gene3 a d c b e d c f g d g h i (Each column is a human gene, and each contains a variable number of proteins (strings, shown as letters here) that can bind to those genes). What I want to do is count how many columns each string is represented in, output that number and all the column headers, like this: a 1 gene1 b 1 gene1 c 2 gene1 gene3 d 3 gene1 gene2 gene3 e 1 gene2 f 1 gene2 g 2 gene2 gene3 h 1 gene2 i 1 gene2 I have been trying to figure out how to do this in Perl and R, but without success so far. Thanks for any help.
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