[R] Perform 20 x one-way anova in 1 go

Ken vicvoncastle at gmail.com
Fri Oct 14 06:59:30 CEST 2011


Hey,
   Doesn't this give you a ridiculous Type 1 error? Maybe randomly select one result and trust it.
   Try bestglm or stepwise regression maybe.
         Hope that's helpful,
            Ken Hutchison

On Oct 14, 2554 BE, at 12:39 AM, "C.H." <chainsawtiney at gmail.com> wrote:

> This is one solution
> 
> ?sapply
> 
> sapply(data.frame(iris$Sepal.Length, iris$Sepal.Width,
> iris$Petal.Length, iris$Petal.Width), function(x)
> (summary(aov(x~iris$Species))))
> 
> 
> 
> On Tue, Oct 11, 2011 at 5:10 PM, Joshua Wong <gryphonmonsterr at yahoo.com> wrote:
>> Hi Guys,
>> 
>> I have about 20 continous predictors and I want to do one-way anova to check the significance of each variable against the dependent variable.
>> Apart from doing running the anova 20 times, is there a faster way?
>> 
>> Thanks,
>> Joshua
>>        [[alternative HTML version deleted]]
>> 
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>> 
> 
> 
> 
> -- 
> CH Chan
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.



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