Teradata Package for Python Function Reference | 20.00 - best_params_ - Teradata Package for Python - Look here for syntax, methods and examples for the functions included in the Teradata Package for Python.
Teradata® Package for Python Function Reference - 20.00
- Deployment
- VantageCloud
- VantageCore
- Edition
- Enterprise
- IntelliFlex
- VMware
- Product
- Teradata Package for Python
- Release Number
- 20.00.00.03
- Published
- December 2024
- ft:locale
- en-US
- ft:lastEdition
- 2024-12-19
- dita:id
- TeradataPython_FxRef_Enterprise_2000
- Product Category
- Teradata Vantage
- teradataml.hyperparameter_tuner.optimizer.GridSearch.best_params_
- DESCRIPTION:
Returns the parameters used for the model with best score.
Note:
"best_params_" is not supported for non-model trainer functions.
RETURNS:
dict
EXAMPLES:
>>> # Create an instance of the search algorithm called "optimizer_obj"
>>> # by referring "__init__()" method.
>>> # Perform "fit()" method on the optimizer_obj to populate model records.
>>> # Retrieve the best parameters.
>>> optimizer_obj.best_params_
{'input_columns': ['MedInc', 'HouseAge', 'AveRooms',
'AveBedrms', 'Population', 'AveOccup', 'Latitude', 'Longitude'],
'response_column': 'MedHouseVal', 'model_type': 'regression',
'batch_size': 50, 'iter_max': 301, 'lambda1': 0.1, 'alpha': 0.5,
'iter_num_no_change': 60, 'tolerance': 0.01, 'intercept': False,
'learning_rate': 'INVTIME', 'initial_data': 0.5, 'decay_rate': 0.5,
'momentum': 0.6, 'nesterov': True, 'local_sgd_iterations': 1,
'data': '"ALICE"."ml__select__1696595493985650"'}