[R] Robust ANOVA functions in R?

[Frank E Harrell Jr]

Jim Lemon wrote:
> On 04/28/2010 03:02 PM, jinyan fan wrote:
>> Hello,
>>
>> Anyone familiar with robust ANOVA in R? Please help.
>>
>> I am conducting a between-between-within (2 X 2 X 2) ANOVA, with the 
>> focus on the significance of the three-way interaction. Because of 
>> very uneven sample sizes, and the violation of covariance homogeneity, 
>> I need to use some sort of robust ANOVA method, and I prefer 
>> bootstrap. I am aware of Rand Wilcox's robust package that can be run 
>> in R, but although it has the bootstrap functions for between-within 
>> ANOVA. it does not contain the bootstrap functions for 
>> between-between-within ANOVA. Thanks a lot.
>>
> Hi Fan,
> Have a look at the ICSNP package.
> 
> Jim

Also consider the proportional odds model, a generalization of the 
Wilcoxon-Kruskal-Wallis test.

Frank

> 
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-- 
Frank E Harrell Jr   Professor and Chairman        School of Medicine
                      Department of Biostatistics   Vanderbilt University