Fixed-Dimensional Encoding (FDE) solves a fundamental problem in modern search systems: how to efficiently search through billions of documents when each document is represented by hundreds of vectors ...
生成的信号是preds里的close price和last_day_close直接相减，而不是再除以last_day_close得到return。虽然x和preds里的close price都是在当前序列上做了normalize之后的，但相减并不是return。Paper附录关于Signal and ...
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