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In the Obrien's test to check out the homogeneity of variances the data are transforming to
yij = ((nj-1.5)*nj*((xij-mean(xj))**2)-((0.5)*(var(xj))*(nj-1)))/((nj-1)*(nj-2))
and uses the F distribution performing an one-way ANOVA using y as the dependent variable.
Cite As
Antonio Trujillo-Ortiz (2026). OBrientest (https://in.mathworks.com/matlabcentral/fileexchange/3335-obrientest), MATLAB Central File Exchange. Retrieved .
General Information
- Version 1.0.0.0 (3.01 KB)
MATLAB Release Compatibility
- Compatible with any release
Platform Compatibility
- Windows
- macOS
- Linux
| Version | Published | Release Notes | Action |
|---|---|---|---|
| 1.0.0.0 | Output results were improved. |
