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| <div class="subTitle">org.apache.ignite.ml.selection.scoring.evaluator.context</div> |
| <h2 title="Interface EvaluationContext" class="title">Interface EvaluationContext<span class='angle_bracket'><</span>L,Self extends EvaluationContext<span class='angle_bracket'><</span>L,? super Self<span class='angle_bracket'>></span><span class='angle_bracket'>></span></h2> |
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| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>L</code> - Type of label.</dd> |
| <dd><code>Self</code> - Type of evaluation context.</dd> |
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| <dt>All Superinterfaces:</dt> |
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| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../../../../../org/apache/ignite/ml/selection/scoring/evaluator/context/BinaryClassificationEvaluationContext.html" title="class in org.apache.ignite.ml.selection.scoring.evaluator.context">BinaryClassificationEvaluationContext</a>, <a href="../../../../../../../../org/apache/ignite/ml/selection/scoring/evaluator/context/EmptyContext.html" title="class in org.apache.ignite.ml.selection.scoring.evaluator.context">EmptyContext</a></dd> |
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| <pre>public interface <span class="typeNameLabel">EvaluationContext<span class='angle_bracket'><</span>L,Self extends EvaluationContext<span class='angle_bracket'><</span>L,? super Self<span class='angle_bracket'>></span><span class='angle_bracket'>></span></span> |
| extends <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></pre> |
| <div class="block">Classes with this interface are responsible for preparatory computations before model evaluation. For example if we |
| don't know what is positive and negative label we can define it in automatically way using such evaluation context.</div> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t5" class="tableTab"><span><a href="javascript:show(16);">Default Methods</a></span><span class="tabEnd"> </span></span></caption> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/ignite/ml/selection/scoring/evaluator/context/EvaluationContext.html#aggregate-org.apache.ignite.ml.structures.LabeledVector-">aggregate</a></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/selection/scoring/evaluator/context/EvaluationContext.html" title="type parameter in EvaluationContext">L</a><span class='angle_bracket'>></span> vector)</code> |
| <div class="block">Aggregates statistic from vector of sample.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <span class='angle_bracket'><</span>L extends <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><span class='angle_bracket'>></span><br><a href="../../../../../../../../org/apache/ignite/ml/selection/scoring/evaluator/context/EmptyContext.html" title="class in org.apache.ignite.ml.selection.scoring.evaluator.context">EmptyContext</a><span class='angle_bracket'><</span>L<span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/ignite/ml/selection/scoring/evaluator/context/EvaluationContext.html#empty--">empty</a></span>()</code> |
| <div class="block">Returns default empty context.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../../org/apache/ignite/ml/selection/scoring/evaluator/context/EvaluationContext.html" title="type parameter in EvaluationContext">Self</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/ignite/ml/selection/scoring/evaluator/context/EvaluationContext.html#mergeWith-Self-">mergeWith</a></span>(<a href="../../../../../../../../org/apache/ignite/ml/selection/scoring/evaluator/context/EvaluationContext.html" title="type parameter in EvaluationContext">Self</a> other)</code> |
| <div class="block">Merges statistics of this and other context.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/ignite/ml/selection/scoring/evaluator/context/EvaluationContext.html#needToCompute--">needToCompute</a></span>()</code> |
| <div class="block">Returns true if this contexts should be evaluated through map-reduce.</div> |
| </td> |
| </tr> |
| </table> |
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| <h3>Method Detail</h3> |
| <a name="aggregate-org.apache.ignite.ml.structures.LabeledVector-"> |
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| <h4>aggregate</h4> |
| <pre>void aggregate(<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/selection/scoring/evaluator/context/EvaluationContext.html" title="type parameter in EvaluationContext">L</a><span class='angle_bracket'>></span> vector)</pre> |
| <div class="block">Aggregates statistic from vector of sample.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>vector</code> - Vector.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="mergeWith-org.apache.ignite.ml.selection.scoring.evaluator.context.EvaluationContext-"> |
| <!-- --> |
| </a><a name="mergeWith-Self-"> |
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| <h4>mergeWith</h4> |
| <pre><a href="../../../../../../../../org/apache/ignite/ml/selection/scoring/evaluator/context/EvaluationContext.html" title="type parameter in EvaluationContext">Self</a> mergeWith(<a href="../../../../../../../../org/apache/ignite/ml/selection/scoring/evaluator/context/EvaluationContext.html" title="type parameter in EvaluationContext">Self</a> other)</pre> |
| <div class="block">Merges statistics of this and other context.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>other</code> - Other context.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>New merged context.</dd> |
| </dl> |
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| </ul> |
| <a name="needToCompute--"> |
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| <h4>needToCompute</h4> |
| <pre>default boolean needToCompute()</pre> |
| <div class="block">Returns true if this contexts should be evaluated through map-reduce.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if this contexts should be evaluated through map-reduce.</dd> |
| </dl> |
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| <h4>empty</h4> |
| <pre>static <span class='angle_bracket'><</span>L extends <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><span class='angle_bracket'>></span> <a href="../../../../../../../../org/apache/ignite/ml/selection/scoring/evaluator/context/EmptyContext.html" title="class in org.apache.ignite.ml.selection.scoring.evaluator.context">EmptyContext</a><span class='angle_bracket'><</span>L<span class='angle_bracket'>></span> empty()</pre> |
| <div class="block">Returns default empty context.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Empty context.</dd> |
| </dl> |
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