On some sufficient statistics in mixed linear and multilinear models

Orador: Augustyn Markiewicz (Poznan University of Life Sciences, Poland)
Data, hora e local: 30 de maio de 2016, às 14h e 30m na sala de reuniões do DMUBI.

Resumo/Abstract: In [1] it was introduced and characterized the concept of quadratic sufficiency
in the context of fixed linear model. It was proved there that under normality quadraticly
sufficient statistic is also sufficient. In the paper it is studied the problem of estimation in
possibly misspeci ed model; i.e. when some e ffects assumed to be fi xed are random. It is
shown that quadraticly sufficient statistic under fi xed model it is sufficient under respective
mixed linear normal model. The results are then extended into multivariate and extended
growth curve models.

Referências/References:
[1] Mueller, J. (1987) Sufficiency and completeness in the linear model, Journal of Multivariate
Analysis, 21:312-323.

FCT_V_positivo

Funded by the Portuguese Government through the FCT – Fundação para a Ciência e a Tecnologia under the project UID/MAT/00212/2013

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