Re: [R] boot problem

From: Roger D. Peng <rpeng_at_jhsph.edu>
Date: Thu 22 Dec 2005 - 08:26:17 EST

Your 'resample' function is not written according to the help page. Try

resample <- function(x, index) { x[index, ] }

-roger

david v wrote:
> Hello,
> This is the code that is giving me problems
>
>

>>library(boot)
>>data<-read.table("test",header=FALSE,sep="\t",row.names=1)
>>data

>
> V2 V3 V4
> A 5 8 9
> B 12 54 89
> C 65 89 23
> D 32 69 44
> E 21 84 97
> F 33 59 71
> G 16 45 93
> H 2 46 55
> I 22 33 88
>
>
>>resample <- function(x,index) {

>
> sample(data,replace=TRUE)
> }
> dist<-boot(data,resample,R=1000)
> Erreur : nombre d'indices incorrect sur la matrice (french)
> Error: number of indices wrong in the matrix (moreless)
>
> Can anybody help???
>
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>
-- 
Roger D. Peng  |  http://www.biostat.jhsph.edu/~rpeng/

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Received on Thu Dec 22 08:32:03 2005

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