{"library":"lightgbm","title":"LightGBM","description":"LightGBM (Light Gradient Boosting Machine) is an open-source, high-performance gradient boosting framework developed by Microsoft. It uses tree-based learning algorithms and is designed for efficiency, scalability, and high accuracy, particularly with large datasets. Key innovations like Gradient-based One-Side Sampling (GOSS) and Exclusive Feature Bundling (EFB) contribute to its faster training speeds and lower memory usage. The library is actively maintained, with frequent releases, and is currently at version 4.6.0.","language":"python","status":"active","last_verified":"Wed May 20","install":{"commands":["pip install lightgbm","pip install 'lightgbm[pandas,scikit-learn,dask]'"],"cli":{"name":"lightgbm","version":"sh: 1: lightgbm: not found"}},"imports":["import lightgbm as lgb","from lightgbm import LGBMClassifier","from lightgbm import LGBMRegressor","lgb_train = lgb.Dataset(X_train, y_train)"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"import numpy as np\nimport lightgbm as lgb\nfrom sklearn.model_selection import train_test_split\nfrom sklearn.metrics import accuracy_score\n\n# Generate some dummy data\nX = np.random.rand(1000, 10)\ny = np.random.randint(0, 2, 1000)\n\n# Split data into training and testing sets\nX_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=42)\n\n# Initialize and train the LGBMClassifier\n# Using scikit-learn API for convenience\nmodel = lgb.LGBMClassifier(objective='binary', random_state=42)\nmodel.fit(X_train, y_train,\n          eval_set=[(X_test, y_test)],\n          callbacks=[lgb.early_stopping(10)]) # Early stopping after 10 rounds without improvement\n\n# Make predictions\ny_pred = model.predict(X_test)\n\n# Evaluate the model\naccuracy = accuracy_score(y_test, y_pred)\nprint(f\"Model Accuracy: {accuracy:.4f}\")","lang":"python","description":"This quickstart demonstrates how to train a binary classification model using LightGBM's scikit-learn compatible API (`LGBMClassifier`). 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