Comparing Welch's ANOVA, a Kruskal-Wallis test and traditional ANOVA in case of Heterogeneity of Variance
Analysis of variance (ANOVA) is a robust test against the normality assumption, but it may be inappropriate when the assumption of homogeneity of variance has been violated. Welch ANOVA and the Kruskal-Wallis test (a non-parametric method) can be applicable for this case. In this study we compare th...
Main Author: | |
---|---|
Format: | Others |
Published: |
VCU Scholars Compass
2015
|
Subjects: | |
Online Access: | http://scholarscompass.vcu.edu/etd/3985 http://scholarscompass.vcu.edu/cgi/viewcontent.cgi?article=5026&context=etd |