Regression model
Fligner-Killeen Test for Homogeneity of Variances
The Fligner-Killeen test is a rank-based test that checks whether several independent groups share the same variance (scale). Introduced by Fligner and Killeen in 1976, it does not require the data to be normally distributed, making it a robust nonparametric alternative to the Levene and Bartlett tests.
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Sources
- Fligner, M. A., & Killeen, T. J. (1976). Distribution-Free Two-Sample Tests for Scale. Journal of the American Statistical Association, 71(353), 210-213. DOI: 10.1080/01621459.1976.10481517 ↗
- Conover, W. J., Johnson, M. E., & Johnson, M. M. (1981). A Comparative Study of Tests for Homogeneity of Variances, with Applications to the Outer Continental Shelf Bidding Data. Technometrics, 23(4), 351-361. DOI: 10.1080/00401706.1981.10487680 ↗