运用主成分分析法评价河南省各县域经济综合实力，依据综合得分进行空间分析。河南省县域经济差异显著，空间结构呈现“多核心”格局。全局趋势分析表明：河南省西部县域经济实力强于东部，北部县域经济强于南部，近年来县域经济总体差异缩小。空间相关性分析表明：河南省各县域经济综合实力具有较强的正的空间自相关性，经济发达县域之间集聚更加明显；高高集聚区县域分布集中稳定，低低集聚区县域数量多且不稳定。经济实力增长的热点分析表明：2004—2008年县域经济增长热点集中分布在豫西县域；2009—2014年县域经济增长热点向东偏移并呈现零星分布状态。%Using principal component analysis to evaluate the overall strength of the county economy in Henan Province, and on the basis of composite scores for spatial analysis.Significant difference was found in the county e-conomy in Henan Province, the spatial structure presents “multi-core” pattern.Global trend analysis showed that the western county economy is stronger than the eastern Henan Province; north of the county economy is stronger than the south, the county overall economy in recent years to narrow the differences.Correlation analysis showed that each county in Henan Province comprehensive economic strength has a strong positive correlation between spa-tial autocorrelation, economically developed county gather more apparent.The high concentration area county cen-tralized distribution is stable, the number of multi-county gathering area wriggle big change.Economic growth in the overall strength of the hot spot analysis showed that from 2004 to 2008 county economic growth hotspots concentrat-ed in the rich mineral resources in western Henan county;The county economic growth hotspots shift eastward from 2008 to 2014 and presents scattered state.
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