Discordancy tests based on the likelihood ratio for the bipolar Watson distribution on the hypersphere

• Tipo: Artigo em Revista Científica Internacional
• Data: 2007

Autores

Adelaide Figueiredo (Autor) FEP

Revista

Título: Communications in Statistics - Simulation and Computation

Vol. 36

Páginas: 413-421

ISSN: 0361-0918

Editora: Taylor & Francis

Indexação

ISI Web of Knowledge - 1 Citação

Scopus - 1 Citação

Classificação Científica

CORDIS: Ciências Tecnológicas

Outras Informações

ID Authenticus: P-004-CSB

DOI: 10.1080/03610910601161306

Abstract (EN): As the Watson distribution is frequently used for modeling axial data, it is important to investigate the existence of possible outliers in samples from this distribution. Then, we develop for the bipolar Watson distribution defined on the hypersphere, some tests of discordancy of an outlier or several outliers en bloc based on the likelihood ratio, supposing an alternative model of contamination of slippage type. We evaluate the performance of these tests of discordancy of an outlier and we also compare some tests of discordancy of an outlier available for this distribution.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 9