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Saddlepoint approximations for multivariate M -estimates with applications to bootstrap accuracy

Field, Chris ; Robinson, John ; Ronchetti, Elvezio

In: Annals of the Institute of Statistical Mathematics, 2008, vol. 60, no. 1, p. 205-224

We obtain marginal tail area approximations for the one-dimensional test statistic based on the appropriate component of the M-estimate for both standardized and Studentized versions which are needed for tests and confidence intervals. The result is proved under conditions which allow the application to finite sample situations such as the bootstrap and involves a careful discretization with...