On comparing variances in the paired case with incomplete data

On comparing variances in the paired case with incomplete data

Several tests for the equality of variances in the paired case with incomplete data on both responses are compared using Monte Carlo simulations. The main result is the recommendation to use a test due to Ekbohm (1981) for cases with moderate correlations. A new test proposed in this paper may be th...

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Veröffentlicht in:Biometrika 1982-12, Vol.69 (3), p.670-673
1. Verfasser: Ekbohm, Gunnar
Format: Artikel
Sprache:eng
Schlagworte:
Bivariate normal
Correlation coefficients
Correlations
Degrees of freedom
Equality of variance
Incomplete data
Miscellanea
Monte Carlo methods
Monte Carlo simulation
Ratios
Statistical discrepancies
Statistics
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Zusammenfassung:Several tests for the equality of variances in the paired case with incomplete data on both responses are compared using Monte Carlo simulations. The main result is the recommendation to use a test due to Ekbohm (1981) for cases with moderate correlations. A new test proposed in this paper may be the best choice when the correlation is high.
ISSN:0006-3444
1464-3510
DOI:10.1093/biomet/69.3.670