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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