Research Article

The Growth Model of Industrial Internet Platform in Industrial 4.0

Table 2

Correlation of variables.

High-tech industry R&D personnel full-time equivalentInternal expenditure on R&D in high technology industriesNumber of valid invention patents in high technology industriesHigh technology industry revenueExternal expenditure on R&D by standard-sized industrial enterprisesInternal expenditure on R&D by standard-sized industrial enterprisesEnterprise funds in R&D internal expenditure sources of standard-sized industrial enterprisesGovernment expenditure on science and technologyGovernment funds in R&D internal expenditure sources of standard-sized industrial enterprisesNew infrastructure competitiveness indexDigital economy indexInnovation capability rankingCity corporate cybersecurity indexNumber of industrial Internet platforms and projects

High-tech industry R&D personnel full-time equivalent1.995.962.977.956.867.867.909.742.433.759.7540.2870.393
Internal expenditure on R&D in high technology industries1.963.984.960.876.875.923.771.466.782.7830.311.425
Number of valid invention patents in high technology industries1.944.964.735.733.889.7330.340.683.7170.190.412
High technology industry revenue1.926.870.869.911.752.470.771.7890.328.415
External expenditure on R&D by standard-sized industrial enterprises1.824.822.917.789.427.767.7610.295.441
Internal expenditure on R&D by standard-sized industrial enterprises11.000.826.701.593.821.756.476.404
Enterprise funds in R&D internal expenditure sources of standard-sized industrial enterprises1.823.689.589.816.751.474.399
Government expenditure on science and technology1.798.659.885.916.444.644
Government funds in R&D internal expenditure sources of standard-sized industrial enterprises1.503.762.7530.304.421
New infrastructure competitiveness index1.863.827.773.763
Digital economy index1.924.647.732
Innovation capability ranking1.659.820
City corporate cybersecurity index1.571
Number of industrial Internet platforms and projects1