[R] LARS error

[Uwe Ligges]

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
>   
> 		
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