[R] Do I need a special package to run LSD tests?

[michal33]

Thanks for the answers, this one worked:
>library(Agricolae)



michal33 wrote:
> 
> Hi there,
> I am trying to run LSD.test(model) 
> 
> I used the following commands:
> attach(model)
> m1<- glm(ttl.m ~ site+year, family=quasipoisson, data= model)
> df<-df.residual(m1)
> MSerror<-deviance(m1)/df
> 
> The following command did not work:
> comparison<- LSD.test (ttl.m, site+year, df, MSerror, alpha = 0.05,
> group=FALSE)
> 
> I get an error message: Error: could not find function "LSD.test" 
> 
> Do I need to download a special package for that? Any idea which one? or
> how to do it without getting the error message?
> 
> All comment will be highly appreciated!
> Thanks :)
> Michal
> 
> 

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