Investigation of Power Using F-Approximations for the Hotelling-Lawley Trace and Pillai's Trace

Investigation of Power Using F-Approximations for the Hotelling-Lawley Trace and Pillai's Trace

In multivariate analysis of variance studies with small numbers of subjects (15 or less) per treatment level, probability values reported by the commercial statistical packages SAS and SPSS are conservative for F approximations based on Pillai's trace and liberal for F approximations based on t...

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Veröffentlicht in:Mid-western educational researcher (Akron, Ohio : 1991) Ohio : 1991), 1994, Vol.7 (4), p.2
Hauptverfasser: Elliott, Ronald S, Barcikowski, Robert S
Format: Artikel
Sprache:eng
Schlagworte:
Hotelling Lawley Trace
Monte Carlo Methods
Multivariate Analysis
Pillais Trace
Power (Statistics)
Probability
Robustness (Statistics)
Sample Size
Statistical Bias
Statistical Packages
Type I Errors
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Zusammenfassung:In multivariate analysis of variance studies with small numbers of subjects (15 or less) per treatment level, probability values reported by the commercial statistical packages SAS and SPSS are conservative for F approximations based on Pillai's trace and liberal for F approximations based on the Hotelling-Lawley trace. Discusses results in terms of power and type I errors. (SV)
ISSN:1056-3997