Asymptotically efficient one-step stochastic gradient descent
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A generic, fast and asymptotically efficient method for parametric estimation is described. It is based on the stochastic gradient descent on the loglikelihood function corrected by a single step of the Fisher scoring algorithm. We show theoretically and by simulations in the i.i.d. setting that it is an interesting alternative to the usual stochastic gradient descent with averaging or the adaptative stochastic gradient descent.
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