def doc_entropies(self, print_len=10, 
                      label_fn=def_label_fn, as_strings=True):
        if as_strings:
            md = self.corpus.view_metadata(self.model.context_type)
            docs = label_fn(md)
            d_arr = enum_sort(self.H_theta, indices=docs, field_name='doc')
        else:
            d_arr = enum_sort(self.H_theta)

        d_arr = d_arr.view(LabeledColumn)
        d_arr.col_header = 'Document Entropies'
        d_arr.subcol_headers = ['Document', 'Entropy']
        d_arr.col_len = print_len
        
        return d_arr[::-1]
Returns the entropies of the distributions over topics as an
dataset/ETHPy150Open inpho/vsm/vsm/viewer/ldacgsviewer.py/LdaCgsViewer.doc_entropies