[R] under sample problem

[Spencer Graves]

	  Does the following help:

 > set.seed(1)
 > pop <- 1:100
 > s1 <- sample(pop, 5)
 > s1. <- pop[!(pop %in% s1)]
 > s2 <- sample(s1., 5)
 > s1
[1] 27 37 57 89 20
 > s2
[1] 91 94 66 62  6
 >
	  spencer graves

emmadigonnet at aol.com wrote:

>  
> Hello, 
> I  have a problem to treat my data. I seek the orders being able to treat 
> under  sampling: I have X samples divided into 10. How to take, in a random way, 
> under  sample from the 1st sample, and in addition, one under sample of the 
> 2nd sample,  and so on to X to calculate the average taxonomic richness of the  
> selection. 
> Then  I would like to know how to renew the experiment by taking this time 2, 
> 3... X  under samples at the same time, always in a random way.  
> Thank you in advance for your answer. 
> Manue.
> 
> 	[[alternative HTML version deleted]]
> 
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