A Comprehensive Evaluation Study of China´s Telecommunication Industry Based on Approach of Principal Component Analysis

The paper relies on the statistical data in China´s telecommunications industry for nearly 10 years. It selects 10 objective indexes such as "basic telecom business income" to evaluate the development of the telecommunication industry, and uses principal component analysis, one of the commonly used multivariate comprehensive evaluation method, to excavate internal relations of 10 industry indexes, and establish the "communication industry comprehensive evaluation index" based evaluation model. Through specific case studies, we can draw the conclusion that there are enormous regional differences in the development of communication industry and different areas are mainly influenced by different factors.