BFtest

Version 1.0.0.0 (2.96 KB) by Antonio Trujillo-Ortiz
Brown-Forsythe's test for homogeneity of variances.
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Updated 21 Jul 2003

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Brown-Forsythe's test is developed to estimate whether more than two groups are homoscedastic. In the Brown-Forsythe's test the data are transforming to yij = abs[xij - median(xj)] and uses the F distribution performing an one-way ANOVA using y as the dependent variable. The Brown-Frosythe statistic is corrected for artificial zeros occurring in odd sized samples.

Cite As

Antonio Trujillo-Ortiz (2026). BFtest (https://uk.mathworks.com/matlabcentral/fileexchange/3412-bftest), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R11
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0.0

Output results were improved.