{"feature_names": ["amplitude", "change_pct", "\u6da8\u8dcc\u989d", "turnover", "ret_1", "ret_5", "ret_10", "ret_20", "log_ret_1", "vol_5", "vol_10", "vol_20", "rsi_6", "rsi_14", "macd", "macd_signal", "macd_diff", "bb_upper", "bb_lower", "bb_width", "bb_pct", "atr_14", "atr_ratio", "adx_14", "obv", "obv_ret", "vwma_5", "vwma_20", "price_to_vwma5", "price_to_vwma20", "ma5", "ma10", "ma20", "ma60", "price_to_ma5", "price_to_ma20", "ma5_cross_ma20", "vol_ratio_5", "vol_ratio_10", "vol_ratio_20", "amihud", "amihud_5", "turnover_5", "turnover_ratio", "high_low_ratio", "open_close_ratio", "upper_shadow", "lower_shadow", "mfi_14", "stoch_k", "stoch_d"], "params": {"objective": "binary", "metric": "auc", "boosting_type": "gbdt", "num_leaves": 31, "learning_rate": 0.05, "feature_fraction": 0.8, "bagging_fraction": 0.8, "bagging_freq": 5, "verbose": -1}}