def sample(self, n=10):
        q = self._query_templates['column']['sample'].format(column=self.name, schema=self.schema,
                                                             table=self.table, n=n)
        return pd.read_sql(q, self._con)[self.name]
Returns random sample of n rows as a DataFrame. This is executing:
dataset/ETHPy150Open yhat/db.py/db/db.py/Column.sample