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{{StatsPsy}} |
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In [[statistics]], a ''' concordant pair''' is a pair of a two-variable (bivariate) observation data-set '''X'''<sub>''1''</sub>,'''Y'''<sub>''1''</sub>} and {'''X'''<sub>''2''</sub>,'''Y'''<sub>''2''</sub>}, where: |
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In [[statistics]], a ''' concordant pair''' is a pair of a two-variable (bivariate) observation data-set |
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:<math> \sgn (X_2 - X_1)\ = \sgn (Y_2 - Y_1)\ </math> |
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'''Article wouldnt copy over from WP needs attention''' |
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Correspondingly, a ''' discordant pair''' is a pair, as defined above, where |
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:<math> \sgn (X_2 - X_1)\ = - \sgn (Y_2 - Y_1)\ </math> |
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and the sign function, often represented as '''sgn''', is defined as: |
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:<math> \sgn x = \left\{ \begin{matrix} |
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-1 & : & x < 0 \\ |
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0 & : & x = 0 \\ |
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1 & : & x > 0 \end{matrix} \right. </math> |
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==See also== |
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==See also== |
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==References== |
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==References== |
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*[http://www.utdallas.edu/~herve/Abdi-KendallCorrelation2007-pretty.pdf Kendall rank correlation.] |
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* Kendall, M. (1948) ''Rank Correlation Methods'', Charles Griffin & Company Limited |
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* Kendall, M. (1948) ''Rank Correlation Methods'', Charles Griffin & Company Limited |
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* Kendall, M. (1938) "A New Measure of Rank Correlation", Biometrica, 30, 81-89. |
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* Kendall, M. (1938) "A New Measure of Rank Correlation", Biometrica, 30, 81-89. |
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* [http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Kendall.html MacTutor: David George Kendall] |
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* [http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Kendall.html MacTutor: David George Kendall] |
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* [http://janus.lib.cam.ac.uk/db/node.xsp?id=EAD%2FGBR%2F0014%2FKNDL Janus: The Papers of Professor David Kendall] |
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* [http://janus.lib.cam.ac.uk/db/node.xsp?id=EAD%2FGBR%2F0014%2FKNDL Janus: The Papers of Professor David Kendall] |
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*[http://www.utdallas.edu/~herve/Abdi-KendallCorrelation2007-pretty.pdf Kendall rank correlation.] |
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In statistics, a concordant pair is a pair of a two-variable (bivariate) observation data-set
Article wouldnt copy over from WP needs attention
References
Edit
- Kendall, M. (1948) Rank Correlation Methods, Charles Griffin & Company Limited
- Kendall, M. (1938) "A New Measure of Rank Correlation", Biometrica, 30, 81-89.
External linksEdit
{{enWP|Concordant pair}
