Research Article

Intelligent Manufacturing of New Energy Vehicles and Financial Market Hedging Based on Soft Computing

Table 1

Comparison of TFIDF effects of different feature combinations.

MethodPrecisionRecallFl-measure

TFIDF0.3530.4000.376
TFIDF + unregistered vocabulary0.3780.4260.400
TFIDF + unregistered vocabulary + vocabulary features0.5180.5920.555
TFIDF + unregistered vocabulary + vocabulary features + emotional features0.5280.6010.560