[Retracted] Selection and Optimization of Regional Economic Industrial Structure Based on Fuzzy k-Means Clustering Algorithm

Table 3

Selection index system of leading industries in city A.

Primary index	Secondary index		Significance
Overall industrial situation x1	Income elasticity of demand	xi1	Measuring industrial growth potential
	Industrial value added ratio	xi2	Measure industrial scale
Industry leading x2	Labor productivity	xi3	Measure the level of industrial production
	Ratio of investment to output value	xi4	Measure industrial contribution
Industrial dynamics x3	Labor employment absorption rate	xi5	Measure the function of industrial employment
	Growth rate of labor productivity	xi6	Measure the state of industrial technology