When compared with single factor analysis of variance , covariance analysis reduced efficacy evaluation error resulting from uneven weed distribution in the field 結果表明,與按單因素試驗方差分析相比,協方差分析方法可以減小因雜草田間分布不均勻而導致的調查誤差。
Using single factor analysis of variance and multivariate stepwise regression to analyze the capital structure influencing factor of small - scaled state - owned enterprises , this paper fills up the deficiency of substantial evidence study of non - listed small companies 摘要利用單因素方差分析和多元逐步回歸法分析小型國有企業資本結構影響因素,彌補了以往學者對非上市小型企業資本結構影響因素實證研究的不足。