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| <h2 title="Uses of Class org.apache.mahout.cf.taste.impl.similarity.AbstractItemSimilarity" class="title">Uses of Class<br>org.apache.mahout.cf.taste.impl.similarity.AbstractItemSimilarity</h2> |
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| <td class="colFirst"><a href="#org.apache.mahout.cf.taste.impl.similarity">org.apache.mahout.cf.taste.impl.similarity</a></td> |
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| <h3>Uses of <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/similarity/AbstractItemSimilarity.html" title="class in org.apache.mahout.cf.taste.impl.similarity">AbstractItemSimilarity</a> in <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/similarity/package-summary.html">org.apache.mahout.cf.taste.impl.similarity</a></h3> |
| <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing subclasses, and an explanation"> |
| <caption><span>Subclasses of <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/similarity/AbstractItemSimilarity.html" title="class in org.apache.mahout.cf.taste.impl.similarity">AbstractItemSimilarity</a> in <a href="../../../../../../../../org/apache/mahout/cf/taste/impl/similarity/package-summary.html">org.apache.mahout.cf.taste.impl.similarity</a></span><span class="tabEnd"> </span></caption> |
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| <th class="colLast" scope="col">Class and Description</th> |
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| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/similarity/CityBlockSimilarity.html" title="class in org.apache.mahout.cf.taste.impl.similarity">CityBlockSimilarity</a></span></code> |
| <div class="block">Implementation of City Block distance (also known as Manhattan distance) - the absolute value of the difference of |
| each direction is summed.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/similarity/EuclideanDistanceSimilarity.html" title="class in org.apache.mahout.cf.taste.impl.similarity">EuclideanDistanceSimilarity</a></span></code> |
| <div class="block"> |
| An implementation of a "similarity" based on the Euclidean "distance" between two users X and Y.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/similarity/LogLikelihoodSimilarity.html" title="class in org.apache.mahout.cf.taste.impl.similarity">LogLikelihoodSimilarity</a></span></code> |
| <div class="block">See <a href="http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.14.5962"> |
| http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.14.5962</a> and |
| <a href="http://tdunning.blogspot.com/2008/03/surprise-and-coincidence.html"> |
| http://tdunning.blogspot.com/2008/03/surprise-and-coincidence.html</a>.</div> |
| </td> |
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| <td class="colFirst"><code>class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/similarity/PearsonCorrelationSimilarity.html" title="class in org.apache.mahout.cf.taste.impl.similarity">PearsonCorrelationSimilarity</a></span></code> |
| <div class="block"> |
| An implementation of the Pearson correlation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/similarity/TanimotoCoefficientSimilarity.html" title="class in org.apache.mahout.cf.taste.impl.similarity">TanimotoCoefficientSimilarity</a></span></code> |
| <div class="block"> |
| An implementation of a "similarity" based on the <a |
| href="http://en.wikipedia.org/wiki/Jaccard_index#Tanimoto_coefficient_.28extended_Jaccard_coefficient.29"> |
| Tanimoto coefficient</a>, or extended <a href="http://en.wikipedia.org/wiki/Jaccard_index">Jaccard |
| coefficient</a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/mahout/cf/taste/impl/similarity/UncenteredCosineSimilarity.html" title="class in org.apache.mahout.cf.taste.impl.similarity">UncenteredCosineSimilarity</a></span></code> |
| <div class="block"> |
| An implementation of the cosine similarity.</div> |
| </td> |
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