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gshotwell/gist:45fed31a1d2bddf05de5

Created September 10, 2014 14:47
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Sampling
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gistfile1.txt
DF <- data.frame(Pr = runif(100, min = 0, max = 1),
Index = 1:100)
DF$rand<- runif(100, 0, 1)
DF$samp<- 1
DF[ DF$rand > (1- DF$Pr) & DF$rand < DF$Pr, "samp"] <- 2
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