T^2检验及其在生态学中的应用  

T 2 TEST AND ITS APPLICATION IN ECOLOGY

作　　者：宋心远[1,2] 廖红文[1,2] 

机构地区：[1]中山大学数学系 [2]中山大学科技处

出　　处：《环境昆虫学报》1996年第A04期10-13,共4页Journal of Environmental Entomology

摘　　要：本文介绍了多元统计分析中最重要的检验方法之一——Ｔ２检验，并用此法检验了两个不同地区稻飞虱种群动态差异的显著性。结果表明，综防区与非综防区稻飞虱种群存在明显的差异。In this paper, one of th most important test methods in multiple statistical analysis- T 2 test was introduced, and was applied to test the significance of dynamic difference for two distinct population of rice plant hopper. It was shown that the population of rice planthopper in rice ecosystem of Dasha is different from those in Dinghu significantly.

关 键 词：T^2检验 种群动态 差异 显著性 

分 类 号：S476[农业科学—农业昆虫与害虫防治] Q96[农业科学—植物保护]