The rank sum test is an important non parametric statistical method that can be used to analyze experimental data in animal ecology.
秩和检验法是非参数统计法中的一种重要方法，是对成组数据t检验的一个补充。
The model is characterized by the non-parametric test. With the method of two-staged classification process, the paper discriminated the credit conditions of enterprises .
该模型具有非参数检验特性，通过两阶段分类过程对企业信用状况进行判别。
The model is characterized by the non-parametric test. With the method of two-staged classification process, the paper discriminated the credit conditions of enterprises .
该模型具有非参数检验特性，通过两阶段分类过程对企业信用状况进行判别。
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