Files
FLAML/test/default_lgbm.py
Gleb Levitski 3de0dc667e Add ruff sort to pre-commit and sort imports in the library (#1259)
* lint

* bump ver

* bump ver

* fixed circular import

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Co-authored-by: Jirka Borovec <6035284+Borda@users.noreply.github.com>
2024-03-12 21:28:57 +00:00

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Python

from flaml.automl.data import load_openml_dataset
from flaml.automl.ml import sklearn_metric_loss_score
from flaml.default import LGBMRegressor
X_train, X_test, y_train, y_test = load_openml_dataset(dataset_id=537, data_dir="./")
lgbm = LGBMRegressor()
hyperparams, estimator_name, X_transformed, y_transformed = lgbm.suggest_hyperparams(X_train, y_train)
print(hyperparams)
lgbm.fit(X_train, y_train)
y_pred = lgbm.predict(X_test)
print("flamlized lgbm r2 =", 1 - sklearn_metric_loss_score("r2", y_pred, y_test))
print(lgbm)