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1.3某些因子间的交互作用不可忽略的一般情形(1)交互作用与交互作用列我们已经对因子间的交互作用有所了解。现在的任务是怎样把因子间的交互作用在正交表上表现出来。在正交表 L_8(2~7)的基本列第1、2、4列上分别放二水平的因子 A、B、C,如果 A、B、C 之间的交互作用都要考察,根据试验方案,可得数据的结构式如下:
1.3 The general situation of interaction between some factors can not be ignored (1) Interaction and interaction column We have some understanding of the interaction between factors. The task now is how to show the interaction between factors in the orthogonal table. Put two horizontal factors A, B and C on the first, second, and fourth columns of the basic column of the orthogonal table L_8 (2 ~ 7) respectively. If the interaction between A, B and C should be examined, Program, the available data structure is as follows: