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| <div class="subTitle">org.apache.mahout.math.neighborhood</div> |
| <h2 title="Class BruteSearch" class="title">Class BruteSearch</h2> |
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| <ul class="inheritance"> |
| <li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html" title="class in org.apache.mahout.math.neighborhood">org.apache.mahout.math.neighborhood.Searcher</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/mahout/math/neighborhood/UpdatableSearcher.html" title="class in org.apache.mahout.math.neighborhood">org.apache.mahout.math.neighborhood.UpdatableSearcher</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.mahout.math.neighborhood.BruteSearch</li> |
| </ul> |
| </li> |
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| <pre>public class <span class="typeNameLabel">BruteSearch</span> |
| extends <a href="../../../../../org/apache/mahout/math/neighborhood/UpdatableSearcher.html" title="class in org.apache.mahout.math.neighborhood">UpdatableSearcher</a></pre> |
| <div class="block">Search for nearest neighbors using a complete search (i.e. looping through |
| the references and comparing each vector to the query).</div> |
| </li> |
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| <h3>Fields inherited from class org.apache.mahout.math.neighborhood.<a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html" title="class in org.apache.mahout.math.neighborhood">Searcher</a></h3> |
| <code><a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#distanceMeasure">distanceMeasure</a></code></li> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
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| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/neighborhood/BruteSearch.html#BruteSearch-org.apache.mahout.common.distance.DistanceMeasure-">BruteSearch</a></span>(<a href="../../../../../org/apache/mahout/common/distance/DistanceMeasure.html" title="interface in org.apache.mahout.common.distance">DistanceMeasure</a> distanceMeasure)</code> </td> |
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| <tr> |
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| <th class="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/neighborhood/BruteSearch.html#add-org.apache.mahout.math.Vector-">add</a></span>(<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a> vector)</code> |
| <div class="block">Add a new Vector to the Searcher that will be checked when getting |
| the nearest neighbors.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/neighborhood/BruteSearch.html#clear--">clear</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/neighborhood/BruteSearch.html#iterator--">iterator</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/neighborhood/BruteSearch.html#remove-org.apache.mahout.math.Vector-double-">remove</a></span>(<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a> query, |
| double epsilon)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/random/WeightedThing.html?is-external=true" title="class or interface in org.apache.mahout.math.random">WeightedThing</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a>>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/neighborhood/BruteSearch.html#search-java.lang.Iterable-int-int-">search</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/WeightedVector.html?is-external=true" title="class or interface in org.apache.mahout.math">WeightedVector</a>> queries, |
| int limit, |
| int numThreads)</code> |
| <div class="block">Searches with a list full of queries in a threaded fashion.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/random/WeightedThing.html?is-external=true" title="class or interface in org.apache.mahout.math.random">WeightedThing</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/neighborhood/BruteSearch.html#search-org.apache.mahout.math.Vector-int-">search</a></span>(<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a> query, |
| int limit)</code> |
| <div class="block">Scans the list of reference vectors one at a time for @limit neighbors of |
| the query vector.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/random/WeightedThing.html?is-external=true" title="class or interface in org.apache.mahout.math.random">WeightedThing</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/neighborhood/BruteSearch.html#searchFirst-org.apache.mahout.math.Vector-boolean-">searchFirst</a></span>(<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a> query, |
| boolean differentThanQuery)</code> |
| <div class="block">Returns the closest vector to the query.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/mahout/math/neighborhood/BruteSearch.html#size--">size</a></span>()</code> |
| <div class="block">Returns the number of WeightedVectors being searched for nearest neighbors.</div> |
| </td> |
| </tr> |
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| <h3>Methods inherited from class org.apache.mahout.math.neighborhood.<a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html" title="class in org.apache.mahout.math.neighborhood">Searcher</a></h3> |
| <code><a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#addAll-java.lang.Iterable-">addAll</a>, <a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#addAllMatrixSlices-java.lang.Iterable-">addAllMatrixSlices</a>, <a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#addAllMatrixSlicesAsWeightedVectors-java.lang.Iterable-">addAllMatrixSlicesAsWeightedVectors</a>, <a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#getCandidateQueue-int-">getCandidateQueue</a>, <a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#getDistanceMeasure--">getDistanceMeasure</a>, <a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#search-java.lang.Iterable-int-">search</a>, <a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#searchFirst-java.lang.Iterable-boolean-">searchFirst</a></code></li> |
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| <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
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| <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true#forEach-java.util.function.Consumer-" title="class or interface in java.lang">forEach</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true#spliterator--" title="class or interface in java.lang">spliterator</a></code></li> |
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| <h3>Constructor Detail</h3> |
| <a name="BruteSearch-org.apache.mahout.common.distance.DistanceMeasure-"> |
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| <h4>BruteSearch</h4> |
| <pre>public BruteSearch(<a href="../../../../../org/apache/mahout/common/distance/DistanceMeasure.html" title="interface in org.apache.mahout.common.distance">DistanceMeasure</a> distanceMeasure)</pre> |
| </li> |
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| <h4>add</h4> |
| <pre>public void add(<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a> vector)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#add-org.apache.mahout.math.Vector-">Searcher</a></code></span></div> |
| <div class="block">Add a new Vector to the Searcher that will be checked when getting |
| the nearest neighbors. |
| |
| The vector IS NOT CLONED. Do not modify the vector externally otherwise the internal |
| Searcher data structures could be invalidated.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#add-org.apache.mahout.math.Vector-">add</a></code> in class <code><a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html" title="class in org.apache.mahout.math.neighborhood">Searcher</a></code></dd> |
| </dl> |
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| <h4>size</h4> |
| <pre>public int size()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#size--">Searcher</a></code></span></div> |
| <div class="block">Returns the number of WeightedVectors being searched for nearest neighbors.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#size--">size</a></code> in class <code><a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html" title="class in org.apache.mahout.math.neighborhood">Searcher</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="search-org.apache.mahout.math.Vector-int-"> |
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| <h4>search</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/random/WeightedThing.html?is-external=true" title="class or interface in org.apache.mahout.math.random">WeightedThing</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a>>> search(<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a> query, |
| int limit)</pre> |
| <div class="block">Scans the list of reference vectors one at a time for @limit neighbors of |
| the query vector. |
| The weights of the WeightedVectors are not taken into account.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#search-org.apache.mahout.math.Vector-int-">search</a></code> in class <code><a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html" title="class in org.apache.mahout.math.neighborhood">Searcher</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>query</code> - The query vector.</dd> |
| <dd><code>limit</code> - The number of results to returned; must be at least 1.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A list of the closest @limit neighbors for the given query.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="searchFirst-org.apache.mahout.math.Vector-boolean-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>searchFirst</h4> |
| <pre>public <a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/random/WeightedThing.html?is-external=true" title="class or interface in org.apache.mahout.math.random">WeightedThing</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a>> searchFirst(<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a> query, |
| boolean differentThanQuery)</pre> |
| <div class="block">Returns the closest vector to the query. |
| When only one the nearest vector is needed, use this method, NOT search(query, limit) because |
| it's faster (less overhead).</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html#searchFirst-org.apache.mahout.math.Vector-boolean-">searchFirst</a></code> in class <code><a href="../../../../../org/apache/mahout/math/neighborhood/Searcher.html" title="class in org.apache.mahout.math.neighborhood">Searcher</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>query</code> - the vector to search for</dd> |
| <dd><code>differentThanQuery</code> - if true, returns the closest vector different than the query (this |
| only matters if the query is among the searched vectors), otherwise, |
| returns the closest vector to the query (even the same vector).</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the weighted vector closest to the query</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="search-java.lang.Iterable-int-int-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>search</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/random/WeightedThing.html?is-external=true" title="class or interface in org.apache.mahout.math.random">WeightedThing</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a>>>> search(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/WeightedVector.html?is-external=true" title="class or interface in org.apache.mahout.math">WeightedVector</a>> queries, |
| int limit, |
| int numThreads) |
| throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Searches with a list full of queries in a threaded fashion.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>queries</code> - The queries to search for.</dd> |
| <dd><code>limit</code> - The number of results to return.</dd> |
| <dd><code>numThreads</code> - Number of threads to use in searching.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A list of result lists.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="iterator--"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>iterator</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a>> iterator()</pre> |
| </li> |
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| <a name="remove-org.apache.mahout.math.Vector-double-"> |
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| <h4>remove</h4> |
| <pre>public boolean remove(<a href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/math/Vector.html?is-external=true" title="class or interface in org.apache.mahout.math">Vector</a> query, |
| double epsilon)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/mahout/math/neighborhood/UpdatableSearcher.html#remove-org.apache.mahout.math.Vector-double-">remove</a></code> in class <code><a href="../../../../../org/apache/mahout/math/neighborhood/UpdatableSearcher.html" title="class in org.apache.mahout.math.neighborhood">UpdatableSearcher</a></code></dd> |
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| <a name="clear--"> |
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| <h4>clear</h4> |
| <pre>public void clear()</pre> |
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| <dd><code><a href="../../../../../org/apache/mahout/math/neighborhood/UpdatableSearcher.html#clear--">clear</a></code> in class <code><a href="../../../../../org/apache/mahout/math/neighborhood/UpdatableSearcher.html" title="class in org.apache.mahout.math.neighborhood">UpdatableSearcher</a></code></dd> |
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