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                                       Details van artikel 19 van 19 gevonden artikelen
 
 
  Uncorrelated residuals and an exact test for two variance components in experimental design
 
 
Titel: Uncorrelated residuals and an exact test for two variance components in experimental design
Auteur: Clarke, B.R.
Godolphin, E.J.
Verschenen in: Communications in statistics
Paginering: Jaargang 21 (1992) nr. 9 pagina's 2501-2526
Jaar: 1992
Inhoud: The error contrasts from an experimental design can be constructed from uncorrelated residuals normally associated with the linear model. In this paper uncorrelated residuals are defined for the linear model that has a design matrix which is less than full rank, typical of many experimental design representations. It transpires in this setting, that for certain choices of uncorrelated residuals, corresponding to recursive type residuals, there is a natural partition of information when two variance components are known to be present. Under an assumtion of normality of errors this leads to construction of appropriate F-tests for testing heteroscedasticity. The test, which can be optimal, is applied to two well known data sets to illustrate its usefullness.
Uitgever: Taylor & Francis
Bronbestand: Elektronische Wetenschappelijke Tijdschriften
 
 

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