林业资源管理
林業資源管理
임업자원관리
FORESTRY RESOURCE MANAGEMENT
2015年
4期
28-32
,共5页
智长贵%王六如%陈新云%王威%李利伟%张乔
智長貴%王六如%陳新雲%王威%李利偉%張喬
지장귀%왕륙여%진신운%왕위%리리위%장교
森林资源调查%分层抽样%整群抽样
森林資源調查%分層抽樣%整群抽樣
삼림자원조사%분층추양%정군추양
forest resources survey%stratified sampling%cluster sampling
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%。
以分層整群抽樣理論為基礎,以境外項目實際案例為依據,詳細介紹瞭分層整群抽樣的具體過程,分析瞭分層整群抽樣的總體精度,結果錶明,在相同樣本情況下,分層整群抽樣精度比整群抽樣精度提高7%。
이분층정군추양이론위기출,이경외항목실제안례위의거,상세개소료분층정군추양적구체과정,분석료분층정군추양적총체정도,결과표명,재상동양본정황하,분층정군추양정도비정군추양정도제고7%。
Based on the theory of stratified cluster sampling,and the actual overseas cases ,this paper de-scribes 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.