Additional algorithm 27.html

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<!-- #  John Wiley & Sons, Inc.                                                                                                   # -->
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<!-- #  Book:   Algorithms in Bioinformatics: Theory and Implementation                                                           # -->
<!-- #  Author: Dr. Paul A. Gagniuc                                                                                               # -->
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<!-- #  Institution:                                                                                                              # -->
<!-- #    University Politehnica of Bucharest                                                                                     # -->
<!-- #    Faculty of Engineering in Foreign Languages                                                                             # -->
<!-- #    Department of Engineering in Foreign Languages                                                                          # -->
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<!-- #  Area:   European Union                                                                                                    # -->
<!-- #  Date:   04/01/2021                                                                                                        # -->
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<!-- #  Cite this work as:                                                                                                        # -->
<!-- #    Paul A. Gagniuc. Algorithms in Bioinformatics: Theory and Implementation. John Wiley & Sons, 2021, ISBN: 9781119697961. # -->
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<script>

// A frequency scanner
var s = 'ATACCGGTCACGCGCGGCGCGCGCAC';

var w = 9;
var t = '';
var n = '';

for (var u=0; u<=s.length-w; u ++)
{
    n = s.substr(u,w);
    x = GF(n,'CG');
    //x = Number(GF(n,'C')) + Number(GF(n,'G'));
    t += x + ',';
    
    document.write('['+n+']; CpG% = ' + x + '<br>');
}

document.write('Signal:<br>' + t);


function GF(s, m)
{
    var p = 0;
    s = s.toLowerCase();
    m = m.toLowerCase();

    p = s.split(m).join('').length;
    p = (s.length - p)/s.length;

    return (p * 100).toFixed(0);
}

</script>