f66d5ef4c6fd35b1a7d099e0c93cbdfdbdbc7902,Orange/feature/discretization.py,EqualFreq,__call__,#EqualFreq#Any#Any#,80

Before Change

            filters = [f.to_sql() for f in data.row_filters]
            filters = [f for f in filters if f]

            sql = "select EqualFreq((%s), (%s), (%s), (%s));"
            param = (data.table_name, attribute.name, filters if filters else None, self.n)
            cur = data._execute_sql_query(sql, param)

            points = [a for a, in cur.fetchall()]
        else:
            d = Orange.statistics.distribution.get_distribution(data, attribute)
            points = _discretization.split_eq_freq(d, n=self.n)
        return _discretized_var(data, attribute, points)

After Change

            filters = [f.to_sql() for f in data.row_filters]
            filters = [f for f in filters if f]
            att = attribute.to_sql()
            quantiles = [(i + 1) / self.n for i in range(self.n - 1)]
            cur = data._sql_query(["quantile(%s, ARRAY%s)" % (att, str(quantiles))], filters)
            points = cur.fetchone()[0]
        else:
            d = Orange.statistics.distribution.get_distribution(data, attribute)
            points = _discretization.split_eq_freq(d, n=self.n)
        return _discretized_var(data, attribute, points)

Instances