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| File Information |
| Description |
Estimates the statistical power of an analysis of variance Model I (fixed effects) after it has been performed.It requires the input of the observed F-statistic value, numerator degrees of freedom (k - 1), denominator degrees of freedom (N - k), method of noncentrality parameter estimate (1=unbiased; else=uniformly minimum variance unbiased), and the significance level.
It outputs the power of the performed ANOVA test Model I, and the graphic of the central and noncentral F-distributions of the ANOVA Model I. |
| MATLAB release |
MATLAB 5.3 (R11)
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| Updates |
| 14 Nov 2002 |
This updated file gives a detailed WARNING when the F-statistic value is less than 1.0 and consequently the statistical power value equals the significance level. |
| 22 Apr 2003 |
It was added an appropriate format to cite this file. |
| 08 Dec 2006 |
Text was improved. |
| 07 Jul 2008 |
File updated. |
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