Abstract
Two classes of semiparametric and nonparametric mixture models are defined to represent general kinds of prior information. For these models the nonparametric maximum likelihood estimator (NPMLE) of an unknown probability distribution is derived and is shown to be consistent and relative efficient. Linear functionals are used for the estimation of parameters. Their consistency is proved, the gain of efficiency is derived and asymptotical distributions are given.
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Huschens, S., Stahl, G. Estimation in semiparametric models using an auxiliary model. Stat Papers 36, 313–326 (1995). https://doi.org/10.1007/BF02926045
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DOI: https://doi.org/10.1007/BF02926045