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为了提高试验精确程度,除了注意采用最经济有效的设计方法外,在进行试验结果的统计分析时,应根据试验的目的要求及设计方法,采用相应的分析法。本文的目的是在讨论关于进行变量分析时,处理的变因与自由度的分离,应该根据试验的目的要求及设计方法,尽可能的而全面的在变量分析表中反映出来。我们根据4个不同类型的实例,讨论在变量分析法中变因及自由度的分离问题。至于各试验结果统计分析后,处理间差异显著所产生的本质原因,不属本文范围,未进行讨论。
In order to improve the test accuracy, in addition to paying attention to the most economical and effective design method, the statistical analysis of the test results should be based on the purpose of the test requirements and design methods, using the appropriate analysis. The purpose of this paper is to discuss the separation of variability and degree of freedom in dealing with variable analysis, which should be reflected in the variable analysis tables as much as possible and comprehensively, based on the purpose and design of the test. Based on four different types of examples, we discuss the separation of variability and degrees of freedom in the analysis of variables. As for the statistical analysis of the test results, the significant difference between the treatment of the essential causes, is outside the scope of this article, not discussed.