Catboost parameter space for hyperopt

catboost_hyperopt_params.py

import hyperopt

params_space = {
    'learning_rate': hyperopt.hp.uniform('learning_rate', 0.01, 0.8),
    'max_depth': scope.int(hyperopt.hp.quniform('max_depth', 2, 10, 1)),
    'colsample_bylevel': hyperopt.hp.uniform('colsample_bylevel', 0.5, 1.0),
    'bagging_temperature': hyperopt.hp.uniform('bagging_temperature', 0.0, 100),
    'random_strength': hyperopt.hp.uniform('random_strength', 0.0, 100),
    'scale_pos_weight': hyperopt.hp.uniform('scale_pos_weight', 1.0, 16.0), # change 16.0 to n_negative / n_poistive
}