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Why Regression Coefficients Have the Wrong Sign

 

作者: MulletGary M.,  

 

期刊: Journal of Quality Technology  （Taylor Available online 1976）
卷期: Volume 8, issue 3  

页码: 121-126

 

ISSN:0022-4065

 

年代: 1976

 

DOI:10.1080/00224065.1976.11980732

 

出版商: Taylor&Francis

 

关键词: Partial Regression Coefficients;Regression Analysis;Sign Reversal in Regression Coefficients

 

数据来源: Taylor

 

摘要:

It is not uncommon that regression coefficients appear with the sign opposite to the expectations of the researcher. Several causes and cures of this data analyst's nightmare are gathered together in this paper. Among the causes discussed are: range of independent variables is too small, excluding important variables from the model, multicollinearity and computation error. Some original results are presented and literature resultsaresurveyed.

 

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