Objective:The aim of this study is to provide method reference for the research of in-patient expenses based on casemix.

目的：为建立以病例组合为基础的住院费用的研究提供方法上的参考。

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Objective:The aim of this study is to provide method reference for the research of in-patient expenses based on casemix.

目的：探讨建立小样本情况下病例组合模型的意义与模型求解方法。

youdao