Abstract
To estimate the dispersion of an M-estimator computed using Newton's iterative method, the jackknife method usually requires to repeat the iterative process n times, where n is the sample size. To simplify the computation, one-step jackknife estimators, which require no iteration, are proposed in this paper. Asymptotic properties of the one-step jackknife estimators are obtained under some regularity conditions in the i.i.d. case and in a linear or nonlinear model. All the one-step jackknife estimators are shown to be asymptotically equivalent and they are also asymptotically equivalent to the original jackknife estimator. Hence one may use a dispersion estimator whose computation is the simplest. Finite sample properties of several one-step jackknife estimators are examined in a simulation study.
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The research was supported by Natural Sciences and Engineering Research Council of Canada.
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Shao, J. One-step jackknife for M-estimators computed using Newton's method. Ann Inst Stat Math 44, 687–701 (1992). https://doi.org/10.1007/BF00053398
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DOI: https://doi.org/10.1007/BF00053398