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Classification of 2x2 sparse data sets with zero cells

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  • Subbiah, M.
  • Srinivasan, M.R.

Abstract

The common remedial measure in dealing with sparsity of 2x2 tables having zero cells is adding a constant. However, addition of a constant could influence the interpretation of a summary measure like the odds ratio and a sensitivity analysis needs to be carried out before making a final decision on choosing an appropriate constant. In this work an attempt has been made to devise a mechanism for classifying sparsity based on the odds ratio and to obtain the bounds for classification as a means for studying the sensitivity.

Suggested Citation

  • Subbiah, M. & Srinivasan, M.R., 2008. "Classification of 2x2 sparse data sets with zero cells," Statistics & Probability Letters, Elsevier, vol. 78(18), pages 3212-3215, December.
    • Handle: RePEc:eee:stapro:v:78:y:2008:i:18:p:3212-3215
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    References listed on IDEAS

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    1. Boris Freidlin & Joseph L. Gastwirth, 1999. "Unconditional Versions of Several Tests Commonly Used in the Analysis of Contingency Tables," Biometrics, The International Biometric Society, vol. 55(1), pages 264-267, March.
    2. J. G. Liao, 1999. "A Hierarchical Bayesian Model for Combining Multiple 2 × 2 Tables Using Conditional Likelihoods," Biometrics, The International Biometric Society, vol. 55(1), pages 268-272, March.
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