You have to let boot pass the index for selection to the function as well.
So, for example, try:
boot.mean <- function(data, index)
mean(data[index])
results <- boot(x, boot.mean, R=5)
Andrew.
On Thursday 01 April 2004 14:19, Morris, Jeffrey [OCDUS] wrote:
> What in the world am I missing??
>
> > x<-rnorm(20)
> >
> > mean(x)
>
> [1] -0.2272851
>
> > results<-boot(x,mean,R=5)
> >
> > results[2]
>
> $t
> [,1]
> [1,] -0.2294562
> [2,] -0.2294562
> [3,] -0.2294562
> [4,] -0.2294562
> [5,] -0.2294562
>
> Jeff Morris
> Ortho-Clinical Diagnostics
> A Johnson & Johnson Co.
> Rochester, NY
> Tel: (585) 453-5794
>
>
> [[alternative HTML version deleted]]
>
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--
Andrew Robinson Ph: 208 885 7115
Department of Forest Resources Fa: 208 885 6226
University of Idaho E : [EMAIL PROTECTED]
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