| 住院费用影响因素的多元线性回归分析中存在的问题及改进 |
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| 引用本文： | 莫春梅,倪宗瓒,黄春妍. 住院费用影响因素的多元线性回归分析中存在的问题及改进[J]. 现代预防医学, 2002, 29(1): 33-34 |
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| 作者姓名： | 莫春梅 倪宗瓒 黄春妍 |
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| 作者单位： | 1. 四川省大学华西附属第一医院信息中心,610041
2. 四川大学华西公共卫生学院卫生统计教研室 |
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| 摘 要： | 目的：探讨多元线性回归模型研究住院费用的影响因素时存在的问题及原因，并提出相应的改进措施。方法：选用循环的模式逐步建立影响其住院费用的适宜模型。结果：由于线性假设不成立，多元线性回归建立的模型拟合效果不理想，此时应放松模型的线性约束。结论：建立统计模型应对模型的有关假设进行验证，以确保模型准确有效。
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| 关 键 词： | 多元线性回归 回归诊断 非参数回归 树型回归 住院费用 影响因素 |
| 文章编号： | 1003-8507(2002)01-0033-02 |
| 修稿时间： | 2001-02-18 |
THE PROBLEM AND IMPROVEMENT ABOUT MULTIPLE LINEAR REGRESSION MODEL TO ANALYSE THE INFLUENT FACTOR OF THE COST OF INPATIENT. |
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| MO Chun mei,NI Zong zan,HUANG Chun yan.Information Center of the First Hospital of West China University of Medical Science,.. THE PROBLEM AND IMPROVEMENT ABOUT MULTIPLE LINEAR REGRESSION MODEL TO ANALYSE THE INFLUENT FACTOR OF THE COST OF INPATIENT.[J]. Modern Preventive Medicine, 2002, 29(1): 33-34 |
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| Authors: | MO Chun mei NI Zong zan HUANG Chun yan.Information Center of the First Hospital of West China University of Medical Science . |
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| Affiliation: | MO Chun mei,NI Zong zan,HUANG Chun yan.Information Center of the First Hospital of West China University of Medical Science,610041. |
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| Abstract: | Objective:The problem of multiple linear regression model to analyse the influent factor of the cost of impatient and the reason which caused and how to improve on it was discussed.Methods:Circulatory mode was applied to conduct appropriate model.Results:Due to linear assumption is untenable,the effect of multiple linear regression model is not good.Here,the regression techniques to free from the restrictive assumption of classical regression would be applied.Conclusion:In order to assure of the accuracy of model,the regression diagnosis would be applied to test the assumption of model. |
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| Keywords: | Multiple linear regression Regression diagnosis Nonparametric regression Regression tree |
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