Abstract
We evaluate the Fisher information (FI) contained in a collection of order statistics and their concomitants from a bivariate random sample. Special attention is given to Type II censored samples. We present a general decomposition result and recurrence relations that are useful in finding the FI in all types of censored samples. We also obtain some asymptotic results for the FI. For the bivariate normal parent, we obtain explicit and asymptotic expressions for the elements of the FI matrix for Type II censored samples. We discuss implications of our findings on inference on the bivariate normal parameters, especially on the correlation.
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The first author’s research was supported in part by National Institutes of Health, USA, Grant # M01 RR00034 and the second author’s research was supported by a training grant from the Egyptian government
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Nagaraja, H.N., Abo-Eleneen, Z.A. Fisher information in order statistics and their concomitants in bivariate censored samples. Metrika 67, 327–347 (2008). https://doi.org/10.1007/s00184-007-0136-5
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DOI: https://doi.org/10.1007/s00184-007-0136-5