OBrientest

Version 1.0.0.0 (3.01 KB) by Antonio Trujillo-Ortiz
O'Brien's Test for Homogeneity of Variances.
0.0
(0)
1.3K Downloads
Updated 21 Jul 2003

View License

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 .

MATLAB Release Compatibility
Created with R11
Compatible with any release
Platform Compatibility
Windows macOS Linux
Tags Add Tags
Open in new tab
Version Published Release Notes
1.0.0.0

Output results were improved.