mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-18 05:32:52 +00:00
29 lines
869 B
Python
29 lines
869 B
Python
import os
|
|
import sys
|
|
from pandas import DataFrame
|
|
|
|
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
|
|
CATBOOST_ROOT = os.path.dirname(SCRIPT_DIR)
|
|
CATBOOST_PYTHON_DIR = os.path.join(CATBOOST_ROOT, 'data', 'python-package')
|
|
|
|
if CATBOOST_PYTHON_DIR not in sys.path:
|
|
sys.path.append(CATBOOST_PYTHON_DIR)
|
|
|
|
|
|
import catboost
|
|
from catboost import CatBoostClassifier
|
|
|
|
|
|
def train_catboost_model(df, target, cat_features, params, verbose=True):
|
|
|
|
if not isinstance(df, DataFrame):
|
|
raise Exception('DataFrame object expected, but got ' + repr(df))
|
|
|
|
print 'features:', df.columns.tolist()
|
|
|
|
cat_features_index = list(df.columns.get_loc(feature) for feature in cat_features)
|
|
print 'cat features:', cat_features_index
|
|
model = CatBoostClassifier(**params)
|
|
model.fit(df, target, cat_features=cat_features_index, verbose=verbose)
|
|
return model
|