Kovács Péter and Petres Tibor: A Petres-féle Red-mutató. In: Acta Universitatis Szegediensis : acta juridica et politica, (69) 1-48. pp. 437-443. (2007)
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Abstract
Databases with a lot of data very often mean little information. It is because of the collinearity of variables which consist of the data of the database. This collinearity is in fact a kind of redundancy of the database. In the study a new indicator is given. With this indicator, which contains the eigenvalues of the variables' correlation matrix, it is possible to quantify the percentage of collinearity: from 0% (all the eigenvalues are equal to 1) to 100% (all the eigenvalues, except the first, are equal to 0).
| Item Type: | Article |
|---|---|
| Other title: | Petres' Red index |
| Journal or Publication Title: | Acta Universitatis Szegediensis : acta juridica et politica |
| Date: | 2007 |
| Volume: | 69 |
| Number: | 1-48 |
| ISSN: | 0324-6523 |
| Page Range: | pp. 437-443 |
| Language: | Hungarian, English |
| Publisher: | Szegedi Tudományegyetem Állam- és Jogtudományi Karának tudományos bizottsága |
| Place of Publication: | Szeged |
| Related URLs: | http://acta.bibl.u-szeged.hu/37929/ |
| Uncontrolled Keywords: | Statisztika |
| Additional Information: | Bibliogr.: 443. p. és a lábjegyzetekben ; összefoglalás angol nyelven |
| Subjects: | 01. Natural sciences 01. Natural sciences > 01.01. Mathematics |
| Date Deposited: | 2016. Oct. 15. 11:12 |
| Last Modified: | 2023. Nov. 30. 15:28 |
| URI: | http://acta.bibl.u-szeged.hu/id/eprint/7339 |
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