Browsing by Subject "Asymptotic distribution"
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- PublicationOpen AccessEstimación del número de especies en un ecosistema de tamaño desconocido(Murcia: Universidad de Murcia, Servicio de Publicaciones, 2001) Prieto Martínez, J. J.; Facultad de BiologíaWe use an extension of the generalized jackknife approach of Gray and Shucany (1972) to obtain newnonparametric estimators for the number S of species in a ecosystem of size N known. If N is unknown it shows a biased natural value (number of observed distinct species). A limit law is rigorously proved for itand an estimator, , is proposed via the asymptotic distribution. This estimator is just used to estimateN and can be applied later to the estimators for S. The performance of the estimators for S and of theestimator is investigated by means of Monte Carlo experiments