def to_dict(self):
        return {'columns': [col.to_dict() for col in self.columns]}
Basic data instances.
dataset/ETHPy150Open yhat/db.py/db/db.py/ColumnSet.to_dict--crossover with--dataset/ETHPy150Open renatopp/liac-arff/tests/test_data.py/TestCOOData.test_conversor