Research Article

Regional Economic Upgrading and Development Based on Digital and Intelligent Innovation

Table 2

The results of calculating the weight of each index using the extreme value entropy weight method.

First-level indicatorSecondary indicatorsWeights

Digital infrastructureInternet port access0.0731
Internet penetration0.0372
Number of R&D institutions0.0717

Digital industry scaleInternal expenditure of R&D funds0.0979
Full-time equivalent of R&D personnel0.0934