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| <h2 title="Interface RankingAlgorithm" class="title">Interface RankingAlgorithm</h2> |
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| <pre>public interface <span class="strong">RankingAlgorithm</span></pre> |
| <div class="block">Interface representing a rank transformation.</div> |
| <dl><dt><span class="strong">Since:</span></dt> |
| <dd>2.0</dd> |
| <dt><span class="strong">Version:</span></dt> |
| <dd>$Id: RankingAlgorithm.java 1416643 2012-12-03 19:37:14Z tn $</dd></dl> |
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| <td class="colFirst"><code>double[]</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/stat/ranking/RankingAlgorithm.html#rank(double[])">rank</a></strong>(double[] data)</code> |
| <div class="block">Performs a rank transformation on the input data, returning an array |
| of ranks.</div> |
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| <h4>rank</h4> |
| <pre>double[] rank(double[] data)</pre> |
| <div class="block"><p>Performs a rank transformation on the input data, returning an array |
| of ranks.</p> |
| |
| <p>Ranks should be 1-based - that is, the smallest value |
| returned in an array of ranks should be greater than or equal to one, |
| rather than 0. Ranks should in general take integer values, though |
| implementations may return averages or other floating point values |
| to resolve ties in the input data.</p></div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>data</code> - array of data to be ranked</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>an array of ranks corresponding to the elements of the input array</dd></dl> |
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