Kernel-type density and failure rate estimation for associated sequences |
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Authors: | Isha Bagai B L S Prakasa Rao |
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Institution: | (1) Indian Statistical Institute, 7, S. J. S. Sansanwal Marg, 110016 New Delhi, India;(2) Indian Statistical Institute, 203 Barrackpore Trunk Road, 700 035 Calcutta, India |
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Abstract: | Let {X
n
,n 1} be a strictly stationary sequence of associated random variables defined on a probability space ( ,B, P) with probability density functionf(x) and failure rate functionr(x) forX
1. Letf
n
(x) be a kerneltype estimator off(x) based onX
1,...,X
n
. Properties off
n
(x) are studied. Pointwise strong consistency and strong uniform consistency are established under a certain set of conditions. An estimatorr
n
(x) ofr(x) based onf
n
(x) andF
n
(x), the empirical survival function, is proposed. The estimatorr
n
(x) is shown to be pointwise strongly consistent as well as uniformly strongly consistent over some sets. |
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Keywords: | Density estimator failure-rate estimator kernel estimators associated sequences |
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