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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