[R] ks.test help

Uwe Ligges ligges at statistik.tu-dortmund.de
Thu Feb 14 18:57:28 CET 2008



Brian Flynn wrote:
> I am trying to do a ks.test in R 2.6.2 (running on Mac OS X 10.4.11).  
> In the help guides it specifies that the y variable can be a  
> character string for the type of distribution I want. I am doing this  
> on the residuals of a regression model, but I continue to get an  
> error. This is some of the code I have tried:
> 
>  > ks.test(res,"Norm")
> Error in get(y, mode = "function") :
>    variable "Norm" of mode "function" was not found
>  > ks.test(res,"norm")
> Error in get(y, mode = "function") :
>    variable "norm" of mode "function" was not found
>  > ks.test(res,"normal")
> Error in get(y, mode = "function") :
>    variable "normal" of mode "function" was not found

You probably want:

ks.test(res, pnorm)

Uwe Ligges


> In this example, res is an object for the residuals of the  
> regression. I have seen the following work on another system: ks.test 
> (res,"norm"), but for some reason it won't work on mine. Any ideas on  
> what I need to fix to get this to work?
> 
> Thanks,
> 
> Brian Flynn
> cbflynn at auburn.edu
> 
> 
> 
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> 
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