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数理家们按照试验因子、试验水平和试验号数编排出合乎数理的正交表,可供我们从事实际试验研究的人,按照自己试验的因子、水平和试验号选用相应的正交表安排试验和计算试验结果,方法简便。但是正交设计涉及到较复杂的数学理论,这里就不作讨论了,只结合农业上常遇到的多因素试验,谈谈如何合理选用正交表。
Mathematical experts in accordance with the test factor, test level and test numbers compiled in accordance with the mathematical orthogonal table available for us to engage in practical experimental research, according to their own test factors, levels and test number using the appropriate orthogonal table arrangement test And calculate the test results, the method is simple. However, the orthogonal design involves more complex mathematical theory, which will not be discussed here. Only the multifactorial experiments encountered in agriculture are often discussed to talk about how to make rational use of orthogonal tables.