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29 lines
869 B
Python
29 lines
869 B
Python
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import os
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import sys
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from pandas import DataFrame
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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CATBOOST_ROOT = os.path.dirname(SCRIPT_DIR)
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CATBOOST_PYTHON_DIR = os.path.join(CATBOOST_ROOT, 'data', 'python-package')
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if CATBOOST_PYTHON_DIR not in sys.path:
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sys.path.append(CATBOOST_PYTHON_DIR)
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import catboost
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from catboost import CatBoostClassifier
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def train_catboost_model(df, target, cat_features, params, verbose=True):
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if not isinstance(df, DataFrame):
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raise Exception('DataFrame object expected, but got ' + repr(df))
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print 'features:', df.columns.tolist()
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cat_features_index = list(df.columns.get_loc(feature) for feature in cat_features)
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print 'cat features:', cat_features_index
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model = CatBoostClassifier(**params)
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model.fit(df, target, cat_features=cat_features_index, verbose=verbose)
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return model
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