[R] boot problem

[Roger D. Peng]

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/