境外森林资源调查分层整群抽样案例分析  

Stratified cluster sampling case on survey of forest resources abroad

作　　者：智长贵[1] 王六如[1] 陈新云[1] 王威[1] 李利伟[1] 张乔[1] 

机构地区：[1]国家林业局调查规划设计院,北京100714

出　　处：《林业建设》2015年第4期6-9,共4页Forestry Construction

摘　　要：以分层整群抽样理论为基础,以境外项目实际案例为依据,详细介绍了分层整群抽样的具体过程,分析了分层整群抽样的总体精度,结果表明,在相同样本情况下,分层整群抽样精度比整群抽样精度提高7%。With theory of stratified cluster sampling, based on the actual cases overseas, this paper describes a specific process of stratified cluster sampling, and analyzes overall accuracy, the results show that stratified cluster sampling accuracy is improved by 7% compared with cluster sampling accuracy in the same sample.

关 键 词：森林资源调查 分层抽样 整群抽样 

分 类 号：S757.2[农业科学—森林经理学]