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Revisiting Olympic Track Records: Some Practical Considerations in the Principal Component Analysis

 

作者: DayanandN. Naik,   Ravindra Khattree,  

 

期刊: The American Statistician  (Taylor Available online 1996)
卷期: Volume 50, issue 2  

页码: 140-144

 

ISSN:0003-1305

 

年代: 1996

 

DOI:10.1080/00031305.1996.10474361

 

出版商: Taylor & Francis Group

 

关键词: Athletic excellence;Correlation matrix;Principal component analysis;Ranking;Track records;Variance covariance matrix

 

数据来源: Taylor

 

摘要:

In some practical problems where a principal component analysis is utilized, the use of the variance covariance matrix of an appropriately defined set of variables, rather than the correlation matrix, may be more meaningful. This is illustrated through the analysis of 1984 Olympic records data on various track events. The analysis results in conclusions that are more appealing to intuition and that are also consistent with a retrospective visual examination of the data on certain leading countries in their athletic excellence.

 

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