Evaluation of provincial integration degree of “internet + industry” based on matrix grey relational analysis

Purpose The purpose of this paper is to establish a new evaluation system to assess the degree of integration between industry and the internet. And use the gray correlation matrix method to evaluate the “internet + industry” integration degree of China’s provinces. Design/methodology/approach This paper establishes a new evaluation system to assess the degree of integration between industry and the internet using the matrix gray relational analysis method. Findings The main indexes and its rankings of the provinces’ integration degree and the rankings of the provinces’ integration degree are obtained. Practical implications The ranking of the degree of integration of various provinces in the country has certain guiding significance in promoting the development of “internet +” and “industry 4.0.” Originality/value Establishing a new model for the quantitative assessment of the degree of fusion, this method has a positive impact on the quantitative assessment of “internet + industrial” integration.