experiment: name: estimator_example observer_type: file_storage mode: train model: class: LGBModel module_path: qlib.contrib.model.gbdt args: loss: mse colsample_bytree: 0.8879 learning_rate: 0.0421 subsample: 0.8789 lambda_l1: 205.6999 lambda_l2: 580.9768 max_depth: 8 num_leaves: 210 num_threads: 20 data: class: QLibDataHandlerClose args: dropna_label: True filter: market: csi300 trainer: class: StaticTrainer args: train_start_date: 2008-01-01 train_end_date: 2014-12-31 validate_start_date: 2015-01-01 validate_end_date: 2016-12-31 test_start_date: 2017-01-01 test_end_date: 2020-08-01 strategy: class: TopkDropoutStrategy args: topk: 50 n_drop: 5 backtest: normal_backtest_args: verbose: False limit_threshold: 0.095 account: 100000000 benchmark: SH000300 deal_price: close open_cost: 0.0005 close_cost: 0.0015 min_cost: 5 qlib_data: # when testing, please modify the following parameters according to the specific environment provider_uri: "~/.qlib/qlib_data/cn_data" region: "cn"