Function test_lambda_mart

catboost/python-package/ut/medium/test.py:7020–7023

()

def test_lambda_mart():
    pool = Pool(QUERYWISE_TRAIN_FILE, column_description=QUERYWISE_CD_FILE)
    cb = CatBoostRanker(loss_function='LambdaMart', iterations=3, devices='0')
    cb.fit(pool)


@pytest.mark.parametrize('param_type', ['indices', 'strings'])