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Distribution-free comparison of hazard rates of two distributions under progressive type-II censoring
Authors:Maryam Sharafi  N Balakrishnan  Baha-Eldin Khaledi
Institution:1. Department of Statistics , Shahid Beheshti University , Tehran , Iran mmaryamsharafi@gmail.com;3. Department of Mathematics and Statistics , McMaster University , Canada;4. Department of Statistics , Razi University , Kermanshah , Iran
Abstract:Some distribution-free tests have been discussed in the literature with regard to the comparison of hazard rates of two distributions when the available samples are complete. We generalize here Kochar's S.C. Kochar, A new distribution-free test for the equality of two failure rates, Biometrika 68 (1981), pp. 423–426] test statistic to the case when one available sample is progressively Type-II censored, and then derive its exact null distribution and examine its power properties by means of a Monte Carlo simulation study.
Keywords:distribution-free test  progressive Type-II censoring  stochastic ordering  hazard rate ordering  power  precedence-type statistic  kernel function  kernel estimation
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