Simon Fraser University7 年
Nonparametric One-Way Analysis of Variance
Even if the data are distributed normally, nonparametric methods are often almost as powerful as parametric methods. The Nonparametric One-Way ANOVA task enables you to perform nonparametric tests for ...
isixsigma on MSN1 天
Understanding the Basics of ANOVA and Dunnett’s 1-way ANOVA
When testing whether the means of more than 2 groups are statistically different, you could use a one-way ANOVA. But if you ...
Simon Fraser University5 年
Nonparametric Analysis of Variance
The NPAR1WAY procedure performs a nonparametric one-way analysis of variance. Other nonparametric tests can be performed by taking ranks of the data (using the RANK procedure) and using a regular ...
isixsigma on MSN8 天
When to Use Kruskal-Wallis Instead of ANOVA in Statistical Analysis
The ANOVA analysis of variance test is a fantastic tool when your data follows the normal distribution. Should your data fall ...