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Creating two groups of random numbers

Boris Steipe 
I'd do it this way ... let me know if you need explanations.

minSize <- 15
maxSize <- 100
minSample <- 0.1
maxSample <- 0.8

# setup dataframe with totals, and cases as fractions
myStudies <- data.frame(study = 1:Nstudies,
                        cases = runif(Nstudies,
                                      min = minSample,
                                      max = maxSample),
                        total = sample(minSize:maxSize,
                                       Nstudies,
                                       replace = TRUE))

# convert case fractions of totals to integers
myStudies$cases <- round(myStudies$cases * myStudies$total)


Cheers,
Boris

Thread (3 messages)

Naike Wang Creating two groups of random numbers Jun 29 Boris Steipe Creating two groups of random numbers Jun 29 Michael Dewey Creating two groups of random numbers Jun 29