Exploració per autor "Nikulin, M. S."
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A review of the results on the Stein approach for estimators improvement
Voinov, V. G. (Vasilii Grigo'evich); Nikulin, M. S. (Institut d'Estadística de Catalunya, 1995)
Article
Accés obertSince 1956, a large number of papers have been devoted to Stein's technique of obtaining improved estimators of parameters, for several statistical models. We give a brief review of these papers, emphasizing those aspects ... -
Bolshev's method of confidence limit construction
Bagdonavicius, V. Vilijandas; Nikoulina, Valentina; Nikulin, M. S. (Institut d'Estadística de Catalunya, 1997)
Article
Accés obertConfidence intervals and regions for the parameters of a distribution are constructed, following the method due to L. N. Bolshev. This construction method is illustrated with Poisson, exponential, Bernouilli, geometric, ... -
Goodness-of-fit test for the family of logistic distributions
Aguirre, N.; Nikulin, M. S. (Institut d'Estadística de Catalunya, 1994)
Article
Accés obertChi-squared goodness-of-fit test for the family of logistic distributions id proposed. Different methods of estimation of the unknown parameters θ of the family are compared. The problem of homogeneity is considered. -
Les correccions de continuïtat en distribucions Binomial i Poisson, i la correcció de Yates en el test khi-quadrat en taules de contingència 2 x 2
Nikulin, M. S.; Cuadras, C.M. (Carlos Maria) (Institut d'Estadística de Catalunya, 1993)
Article
Accés obertEste artículo desarrolla y comenta diversas correcciones de continuidad a las aproximaciones normal y chi-cuadrado de algunas distribuciones discretas. -
On the problem of the means of weighted normal populations
Nikulin, M. S.; Voinov, V. G. (Vasilii Grigo'evich) (Institut d'Estadística de Catalunya, 1995)
Article
Accés obertAn analytical problem, which arises in the statistical problem of comparing the means of two normal distributions, the variances of which -as well as their ratio- are unknown, is well known in the mathematical statistics ... -
Remarques sur le maximum de vraisemblance
Huber, Catherine; Nikulin, M. S. (Institut d'Estadística de Catalunya, 1997)
Article
Accés obertSome paradoxes on the maximum likelihood principle are presented and commented. We consider the properties of the maximum likelihood estimators as a particular case of the M-estimators. We propose a unified theory which ... -
Statistical analysis of the generalized additive semiparametric survival model with random covariate
Bagdonavicius, V. Vilijandas; Nikulin, M. S. (Institut d'Estadística de Catalunya, 1997)
Article
Accés obertGeneralizations of the additive hazards model are considered. Estimates of the regression parameters and baseline function are proposed, when covariates are random. The asymptotic properties of estimators are considered. -
Unbiased estimators of multivariate discrete distributions and chi-square goodness-of-fit test
Nikulin, M. S.; Voinov, V. G. (Vasilii Grigo'evich) (Institut d'Estadística de Catalunya, 1993)
Article
Accés obertWe consider the problem of estimation of the value of a real-valued function u(θ), θ = (θ1, ..., θk)T, on the basis of a sample from non-truncated or truncated multivariate Modified Power Series Distributions. Using the ...