JMASM 47: ANOVA_HOV: A SAS Macro for Testing Homogeneity of Variance in One-Factor ANOVA Models (SAS)

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Published Nov 1, 2017
DOI : https://doi.org/10.56801/10.56801/v16.i.954

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Isaac Li
University of South Florida, Tampa
Yi-Hsin Chen
University of South Florida, Tampa
Yan Wang
University of South Florida, Tampa
Patricia Rodríguez de Gil
University of South Florida, Tampa
Thanh Pham
University of South Florida, Tampa
Diep Nguyen
University of South Florida, Tampa
Eun Sook Kim
University of South Florida, Tampa
Jeffrey D. Kromrey
University of South Florida Tampa

Abstract

Variance homogeneity (HOV) is a critical assumption for ANOVA whose violation may lead to perturbations in Type I error rates. Minimal consensus exists on selecting an appropriate test. This SAS macro implements 14 different HOV approaches in one-way ANOVA. Examples are given and practical issues discussed.

Article Details

Issue
Vol. 16 (2017): Issue 2
Section
Articles