摘要
粮食安全问题引起了社会各界的高度重视。四川省作为全国的人口大省、粮食大省,粮食安全不容忽视。采用多元统计中的灰色关联度分析和主成分分析法对四川省粮食产量影响因素进行了相关分析,确定其主要影响因素,为解决粮食安全问题提供科学依据。
The society paid a high attention on food security.Sichuan Province as one of the large population and much grain of China,its food security should not be ignored.The grain yield of Sichuan Province was unstable in recent years,the authors analyzed the affecting factors of grain yield based on gray incidence analysis and principal component analysis,and confirmed its main factors,then offered some scientific approaches for improving the level of food security.
出处
《资源开发与市场》
CAS
2005年第3期187-189,共3页
Resource Development & Market
基金
四川省科技厅重点科研基金资助项目。
关键词
粮食安全
灰色关联度分析
主成分分析
四川省
food security
gray incidence analysis
principal component analysis
Sichuan Province
