↓ 46 callersMethodexecute 执行因子表达式 Args: formula: token 序列,如 [0, 1, 6] 表示 ADD(RET, VOL) features: 特征张量,形状 [batch, num_features,
backend/app/alpha_mining/vm/factor_vm.py:47
↓ 20 callersMethodget_data(self, database_name, collection_name, max_data_request=None, query=None, keys=None)
legacy_v1/src/Kite/database.py:30
↓ 4 callersMethodcombine_with_market 合并行情特征和情感特征 Args: market_features: [batch, 4, time_steps] (RET, VOL, VOLUME_CHG, TURNOVER) sentiment
backend/app/alpha_mining/features/sentiment.py:279