Application of the Tax Policy in the Free-Trade Zone Based on Big Data and Internet of Things Technology

Table 1

Calculation of tax rate thresholds for all industries.

Number of iterations	Threshold (%)	Sample number of export companies		Sample number of nonexport companies		Entropy		Gain
		Sf > threshold	Else	Sf > threshold	Else	Attributes	Sf	Value	Percentage
0	2.23	101	45	865	1352	0.3251	0.9562	0.2357	1.2563
1	4.63	34	63	235	235	0.2562	0.4253	0.5325	0.4528
2	6.53	13	22	100	153	0.9632	0.9632	0.17450	0.4542