Random Samples and Permutations

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Description

Provides the generic function sample and the S4 method to take a sample of the specified size from the elements of x using either with or without replacement. sample can be used to sample from a set of transactions or associations.

Usage

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sample(x, size, replace = FALSE, prob = NULL, ...)

Arguments

x

object to be sampled from (a set of associations or transactions).

size

sample size.

replace

a logical. Sample with replacement?

prob

a numeric vector of probability weights.

...

further arguments.

Value

An object of the same class as x.

Author(s)

Michael Hahsler

See Also

associations-class, transactions-class, itemMatrix-class.

Examples

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data("Adult")

## sample with replacement
s <- sample(Adult, 500, replace = TRUE)
s

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