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 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 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。
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