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| <h2 title="Class KNNModel" class="title">Class KNNModel<span class='angle_bracket'><</span>L<span class='angle_bracket'>></span></h2> |
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| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, <a href="../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,L<span class='angle_bracket'>></span>, <a href="../../../../../org/apache/ignite/ml/inference/Model.html" title="interface in org.apache.ignite.ml.inference">Model</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,L<span class='angle_bracket'>></span>, <a href="../../../../../org/apache/ignite/ml/knn/utils/indices/SpatialIndex.html" title="interface in org.apache.ignite.ml.knn.utils.indices">SpatialIndex</a><span class='angle_bracket'><</span>L<span class='angle_bracket'>></span></dd> |
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| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../org/apache/ignite/ml/knn/classification/KNNClassificationModel.html" title="class in org.apache.ignite.ml.knn.classification">KNNClassificationModel</a>, <a href="../../../../../org/apache/ignite/ml/knn/regression/KNNRegressionModel.html" title="class in org.apache.ignite.ml.knn.regression">KNNRegressionModel</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public abstract class <span class="typeNameLabel">KNNModel<span class='angle_bracket'><</span>L<span class='angle_bracket'>></span></span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,L<span class='angle_bracket'>></span>, <a href="../../../../../org/apache/ignite/ml/knn/utils/indices/SpatialIndex.html" title="interface in org.apache.ignite.ml.knn.utils.indices">SpatialIndex</a><span class='angle_bracket'><</span>L<span class='angle_bracket'>></span></pre> |
| <div class="block">KNN model build on top of distributed spatial indices. Be aware that this model is linked with cluster environment |
| it's been built on and can't be saved or used in other places. Under the hood it keeps <a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="interface in org.apache.ignite.ml.dataset"><code>Dataset</code></a> that consists |
| of a set of resources allocated across the cluster.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../serialized-form.html#org.apache.ignite.ml.knn.KNNModel">Serialized Form</a></dd> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
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| <td class="colFirst"><code>protected <a href="../../../../../org/apache/ignite/ml/math/distances/DistanceMeasure.html" title="interface in org.apache.ignite.ml.math.distances">DistanceMeasure</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/knn/KNNModel.html#distanceMeasure">distanceMeasure</a></span></code> |
| <div class="block">Distance measure.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/knn/KNNModel.html#k">k</a></span></code> |
| <div class="block">Number of neighbours.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/knn/KNNModel.html#weighted">weighted</a></span></code> |
| <div class="block">Weighted or not.</div> |
| </td> |
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| <th class="colFirst" scope="col">Modifier</th> |
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| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/knn/KNNModel.html#KNNModel-org.apache.ignite.ml.dataset.Dataset-org.apache.ignite.ml.math.distances.DistanceMeasure-int-boolean-">KNNModel</a></span>(<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="interface in org.apache.ignite.ml.dataset">Dataset</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/primitive/context/EmptyContext.html" title="class in org.apache.ignite.ml.dataset.primitive.context">EmptyContext</a>,<a href="../../../../../org/apache/ignite/ml/knn/utils/indices/SpatialIndex.html" title="interface in org.apache.ignite.ml.knn.utils.indices">SpatialIndex</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/knn/KNNModel.html" title="type parameter in KNNModel">L</a><span class='angle_bracket'>></span><span class='angle_bracket'>></span> dataset, |
| <a href="../../../../../org/apache/ignite/ml/math/distances/DistanceMeasure.html" title="interface in org.apache.ignite.ml.math.distances">DistanceMeasure</a> distanceMeasure, |
| int k, |
| boolean weighted)</code> |
| <div class="block">Constructs a new instance of KNN model.</div> |
| </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/knn/KNNModel.html#close--">close</a></span>()</code></td> |
| </tr> |
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| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/knn/KNNModel.html" title="type parameter in KNNModel">L</a><span class='angle_bracket'>></span><span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/ml/knn/KNNModel.html#findKClosest-int-org.apache.ignite.ml.math.primitives.vector.Vector-">findKClosest</a></span>(int k, |
| <a href="../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a> pnt)</code> |
| <div class="block">Finds <code>k</code> closest elements to the specified point.</div> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/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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| <h3>Methods inherited from interface org.apache.ignite.ml.<a href="../../../../../org/apache/ignite/ml/IgniteModel.html" title="interface in org.apache.ignite.ml">IgniteModel</a></h3> |
| <code><a href="../../../../../org/apache/ignite/ml/IgniteModel.html#andBefore-org.apache.ignite.ml.math.functions.IgniteFunction-">andBefore</a>, <a href="../../../../../org/apache/ignite/ml/IgniteModel.html#andThen-org.apache.ignite.ml.math.functions.IgniteFunction-">andThen</a>, <a href="../../../../../org/apache/ignite/ml/IgniteModel.html#andThen-org.apache.ignite.ml.IgniteModel-">andThen</a>, <a href="../../../../../org/apache/ignite/ml/IgniteModel.html#combine-org.apache.ignite.ml.IgniteModel-java.util.function.BiFunction-">combine</a>, <a href="../../../../../org/apache/ignite/ml/IgniteModel.html#toString-boolean-">toString</a></code></li> |
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| <h3>Methods inherited from interface org.apache.ignite.ml.inference.<a href="../../../../../org/apache/ignite/ml/inference/Model.html" title="interface in org.apache.ignite.ml.inference">Model</a></h3> |
| <code><a href="../../../../../org/apache/ignite/ml/inference/Model.html#predict-I-">predict</a></code></li> |
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| <h4>distanceMeasure</h4> |
| <pre>protected final <a href="../../../../../org/apache/ignite/ml/math/distances/DistanceMeasure.html" title="interface in org.apache.ignite.ml.math.distances">DistanceMeasure</a> distanceMeasure</pre> |
| <div class="block">Distance measure.</div> |
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| <h4>k</h4> |
| <pre>protected final int k</pre> |
| <div class="block">Number of neighbours.</div> |
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| <pre>protected final boolean weighted</pre> |
| <div class="block">Weighted or not.</div> |
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| <h3>Constructor Detail</h3> |
| <a name="KNNModel-org.apache.ignite.ml.dataset.Dataset-org.apache.ignite.ml.math.distances.DistanceMeasure-int-boolean-"> |
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| <h4>KNNModel</h4> |
| <pre>protected KNNModel(<a href="../../../../../org/apache/ignite/ml/dataset/Dataset.html" title="interface in org.apache.ignite.ml.dataset">Dataset</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/dataset/primitive/context/EmptyContext.html" title="class in org.apache.ignite.ml.dataset.primitive.context">EmptyContext</a>,<a href="../../../../../org/apache/ignite/ml/knn/utils/indices/SpatialIndex.html" title="interface in org.apache.ignite.ml.knn.utils.indices">SpatialIndex</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/knn/KNNModel.html" title="type parameter in KNNModel">L</a><span class='angle_bracket'>></span><span class='angle_bracket'>></span> dataset, |
| <a href="../../../../../org/apache/ignite/ml/math/distances/DistanceMeasure.html" title="interface in org.apache.ignite.ml.math.distances">DistanceMeasure</a> distanceMeasure, |
| int k, |
| boolean weighted)</pre> |
| <div class="block">Constructs a new instance of KNN model.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dataset</code> - Dataset with <a href="../../../../../org/apache/ignite/ml/knn/utils/indices/SpatialIndex.html" title="interface in org.apache.ignite.ml.knn.utils.indices"><code>SpatialIndex</code></a> as a partition data.</dd> |
| <dd><code>distanceMeasure</code> - Distance measure.</dd> |
| <dd><code>k</code> - Number of neighbours.</dd> |
| <dd><code>weighted</code> - Weighted or not.</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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| <a name="findKClosest-int-org.apache.ignite.ml.math.primitives.vector.Vector-"> |
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| <h4>findKClosest</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/knn/KNNModel.html" title="type parameter in KNNModel">L</a><span class='angle_bracket'>></span><span class='angle_bracket'>></span> findKClosest(int k, |
| <a href="../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a> pnt)</pre> |
| <div class="block">Finds <code>k</code> closest elements to the specified point.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/ignite/ml/knn/utils/indices/SpatialIndex.html#findKClosest-int-org.apache.ignite.ml.math.primitives.vector.Vector-">findKClosest</a></code> in interface <code><a href="../../../../../org/apache/ignite/ml/knn/utils/indices/SpatialIndex.html" title="interface in org.apache.ignite.ml.knn.utils.indices">SpatialIndex</a><span class='angle_bracket'><</span><a href="../../../../../org/apache/ignite/ml/knn/KNNModel.html" title="type parameter in KNNModel">L</a><span class='angle_bracket'>></span></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>k</code> - Number of elements to be returned.</dd> |
| <dd><code>pnt</code> - Point to be used to calculate distance to other points.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>An array of the <code>k</code> closest elements to the specified point.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="close--"> |
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| <h4>close</h4> |
| <pre>public void close()</pre> |
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