[R] LARS error

Uwe Ligges ligges at statistik.uni-dortmund.de
Thu May 25 16:55:35 CEST 2006


Cal Stats wrote:

> Hi All,
>   
>   when i run 
>   
>      cv.lars(x3,y3)
>   
>   it runs fine. but when i run 
>   
>   cv.lars(x3,y3,fraction=seq(0,0.1,100))
>   
>   I get the following error.
>   
>   Error in apply((y[omit] - fit)^2, 2, mean) : dim(X) must have a positive length
>   
>   Any help/suggestions will be appreciated.


Probably y[omit] is of length 0 here...
Anyway, hard to see the real reason without a reproducible example.
Note that seq(0,0.1,100) produces 0, while you probably want
seq(0, 0.1, length=100).


Uwe Ligges



>   Thanks.
>   
>   Harsh
>   
> 		
> ---------------------------------
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html



More information about the R-help mailing list