Mean driven balance and uniformly best linear unbiased estimators

Roman Zmyślony, João T. Mexia, Francisco Carvalho, Inês J. Sequeira

Research output: Contribution to journalArticle

Abstract

The equivalence of ordinary least squares estimators (OLSE) and Gauss–Markov estimators for models with variance–covariance matrix (Formula presented.) is extended to derive a necessary and sufficient balance condition for mixed models with mean vector (Formula presented.) , with (Formula presented.) an incidence matrix, having OLSE for (Formula presented.) that are best linear unbiased estimator whatever the variance components. This approach leads to least squares like estimators for variance components. To illustrate the range of applications for the balance condition, interesting special models are considered.

Original languageEnglish
Pages (from-to)43-53
Number of pages11
JournalStatistical Papers
Volume57
Issue number1
DOIs
Publication statusPublished - 1 Mar 2016

Keywords

  • Kruskal condition
  • OLSE
  • Orthogonal block structure models
  • UBLUE

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