[R] boot problem

Angelo Canty canty at math.mcmaster.ca
Thu Dec 22 17:00:42 CET 2005


What are you trying to do?  boot does the resampling for you so you should 
pass the statistic that you want calculated on the resamples.  Read the 
helpfile regarding the format of the statistic.  It should take two 
arguments, one of which is a vector of indices specifying the resample.

On Tue, 20 Dec 2005, 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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