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<html><head><title>R: Random Samples and Permutations</title>
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<table width="100%" summary="page for sample {arules}"><tr><td>sample {arules}</td><td align="right">R Documentation</td></tr></table>
<h2>Random Samples and Permutations</h2>
<h3>Description</h3>
<p>
Provides the generic function <code>sample</code> and the S4 method to take a
sample of the specified size from the elements of <code>x</code> using either with
or without replacement. <code>sample</code> can be used to sample from a set of
transactions or associations.
</p>
<h3>Usage</h3>
<pre>
sample(x, size, replace = FALSE, prob = NULL)
</pre>
<h3>Arguments</h3>
<table summary="R argblock">
<tr valign="top"><td><code>x</code></td>
<td>
object to be sampled from
(a set of <code>associations</code> or <code>transactions</code>).</td></tr>
<tr valign="top"><td><code>size</code></td>
<td>
sample size.</td></tr>
<tr valign="top"><td><code>replace</code></td>
<td>
a logical. Sample with replacement? </td></tr>
<tr valign="top"><td><code>prob</code></td>
<td>
a numeric vector of probability weights. </td></tr>
</table>
<h3>Value</h3>
<p>
An object of the same class as <code>x</code>.</p>
<h3>See Also</h3>
<p>
<code><a href="associations-class.html">associations-class</a></code>,
<code><a href="transactions-class.html">transactions-class</a></code>,
<code><a href="itemMatrix-class.html">itemMatrix-class</a></code>.
</p>
<h3>Examples</h3>
<pre>
data("Adult")
## sample with replacement
s <- sample(Adult, 500, replace = TRUE)
s
</pre>
<hr><div align="center">[Package <em>arules</em> version 0.6-6 <a href="00Index.html">Index]</a></div>
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