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Message-ID: <49B81126.2020201@optonline.net>
Date: 2009-03-11T19:29:42Z
From: Chuck Cleland
Subject: Iterations of random sampling
In-Reply-To: <BAY118-W14C44336E5BAEF906F0F33989E0@phx.gbl>

On 3/11/2009 3:15 PM, Ren? Pineda wrote:
> I have a univariate binary (1,0) 230,000 records, I need to make 20,000 iterations of random sampling of a fixed size. Where I put the result of the sum of selected records for each repetition

X <- rbinom(230000, 1, .5)

sample.sums <- replicate(20000, sum(sample(X, 10)))

> Thank's
>  
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> and provide commented, minimal, self-contained, reproducible code. 

-- 
Chuck Cleland, Ph.D.
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