基于主成分分析的河南省农业循环经济发展评价研究

Evaluation of the development of Henan agricultural circular economy based on the principal component analysis

从社会、经济、资源、环境4个方面构建了河南省农业循环经济发展评价指标体系,并采用主成分分析法对河南省1991—2010年的农业循环经济发展状况进行了综合评价.结果表明,近20年来河南省的农业循环经济发展水平呈稳定上升趋势,与实际相符合,该方法具有一定的科学性.

A evaluating index system of agricultural circular economy is designed based on the four aspects of society,economy,resources and environment in Henan Province to conduct a comprehensive evaluation of the development of Henan agricultural circular economy from 1991 to 2010 by principal component analysis（PCA）.The results show that the level of Henan agricultural circular economy development is increasing steadily in recent years,which corresponds with the facts,and proves that the index system is scientific.