Market Risk Early Warning Based on Deep Learning and Fruit Fly Optimization

Table 7

Paired T-test results of model prediction performance under different kernel functions.

Evaluationindicators	Kernel function	Polynomial	RBF	Sigmoid
G	Linear	0.164	0.754	0.023
	Polynomial		0.055	0.531
	RBF			0.101
F	Linear	0.492	0.514	0.324
	Polynomial		0.495	0.708
	RBF			0.274
AUC	Linear	0.019	0.871	0.008
	Polynomial		0.062	0.140
	RBF			0.296