[R] A re-sampling problem

[Spencer Graves]

Have you looked at the discussion of bootstrapping in, e.g., Venables 
and Ripley (2002) Modern Applied Statistics with S, 4th ed. (Springer)? 

hope this helps.  spencer graves

Nathan Cooper wrote:

> I plan on analyzing some bird point count data. I need to develop a 
> re-sampling regime for data like this.
>
> I used scan(file="Sample.txt",what=list(0,0,0,0,0,0),sep="\t")
>
> [[1]]
> [1] 1 2 3 4 5
>
> [[2]]
> [1]  6  7  8  9 NA
>
> [[3]]
> [1] 10 11 12 13 NA
>
> [[4]]
> [1] 14 15 16 NA NA
>
> [[5]]
> [1] 17 18 19 20 21
>
> Each row represents one site and the numbers (1-21) are visits to that 
> site. I'm going to be figuring out how many visits to each site is 
> optimal so I will need to compare 1 visit to 2 visits to 3 visits etc. 
> Therefore I need to somehow sample 1,2,3,4,or 5 visits with 
> replacement from a random (with replacement) row 1000 times. Any 
> ideas? I'm relatively familiar with the sample() functoin but not sure 
> how to make it do this. I'm open to importing the data in a different 
> way if that would make it easier. Thanks,
>
> Nathan
>
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