def parse_correlation(self, f):
        """ Parse RNA-SeQC correlation matrices """
        s_names = None
        data = list()
        for l in f['f'].splitlines():
            s = l.strip().split("\t")
            if s_names is None:
                s_names = [ x for x in s if x != '' ]
            else:
                data.append(s[1:])
        if f['fn'] == 'corrMatrixPearson.txt':
            self.rna_seqc_pearson = (s_names, data)
        elif f['fn'] == 'corrMatrixSpearman.txt':
            self.rna_seqc_spearman = (s_names, data)
Parse RNA-SeQC correlation matrices