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The odds ratio  is a measure of effect size, describing the strength of association or non-independence between two binary data values. It is used as a descriptive statistic, and plays an important role in logistic regression.
References[edit | edit source]
- Cornfield, J. "A method of estimating comparative rates from clinical data. Applications to cancer of the lung, breast, and cervix". Journal of the National Cancer Institute 11: 1269–1275.
- Mosteller, Frederick (1968). "Association and Estimation in Contingency Tables". Journal of the American Statistical Association 63 (321): 1–28. http://www.jstor.org/stable/2283825.
- Edwards, A.W.F. (1963). "The measure of association in a 2x2 table". Journal of the Royal Statistical Society, Series A 126 (1): 109–114. http://www.jstor.org/stable/2982448.