Testing for Correlated Errors in the Analysis of Variance

In a two-way analysis of variance, one factor may have a spatial or temporal structure, in which case correlation may be expected between the errors for the different levels of that factor. This note suggests a procedure for checking this in analyses with just one observation per combination of leve...

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Veröffentlicht in:	Biometrics 1988-09, Vol.44 (3), p.695-704
Hauptverfasser:	Cameron, M. A., Eagleson, G. K., Willcox, M. E., Laing, D. G., Panhuber, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis of variance Biological and medical sciences Biometrics Coefficients Computerized, statistical medical data processing and models in biomedicine Correlation coefficients Correlations Critical points Medical sciences Null hypothesis Olfactory bulb P values Statistical variance
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Beschreibung
Zusammenfassung:	In a two-way analysis of variance, one factor may have a spatial or temporal structure, in which case correlation may be expected between the errors for the different levels of that factor. This note suggests a procedure for checking this in analyses with just one observation per combination of levels of the two factors. The procedure involves calculation of correlation coefficients. It is illustrated on measurements of the size of mitral cells in the olfactory bulbs of rats.
ISSN:	0006-341X 1541-0420
DOI:	10.2307/2531584