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| <li>Summary: </li> |
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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">opennlp.tools.ml.perceptron</a></div> |
| <h1 title="Class PerceptronTrainer" class="title">Class PerceptronTrainer</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance"><a href="../AbstractTrainer.html" title="class in opennlp.tools.ml">opennlp.tools.ml.AbstractTrainer</a> |
| <div class="inheritance"><a href="../AbstractEventTrainer.html" title="class in opennlp.tools.ml">opennlp.tools.ml.AbstractEventTrainer</a> |
| <div class="inheritance">opennlp.tools.ml.perceptron.PerceptronTrainer</div> |
| </div> |
| </div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="../../commons/Trainer.html" title="interface in opennlp.tools.commons">Trainer</a></code>, <code><a href="../EventTrainer.html" title="interface in opennlp.tools.ml">EventTrainer</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">PerceptronTrainer</span> |
| <span class="extends-implements">extends <a href="../AbstractEventTrainer.html" title="class in opennlp.tools.ml">AbstractEventTrainer</a></span></div> |
| <div class="block">Trains <a href="PerceptronModel.html" title="class in opennlp.tools.ml.perceptron"><code>models</code></a> using the perceptron algorithm. |
| <p> |
| Each outcome is represented as a binary perceptron classifier. |
| This supports standard (integer) weighting as well average weighting as described in: |
| <p> |
| Discriminative Training Methods for Hidden Markov Models: Theory and Experiments |
| with the Perceptron Algorithm. Michael Collins, EMNLP 2002.</div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="PerceptronModel.html" title="class in opennlp.tools.ml.perceptron"><code>PerceptronModel</code></a></li> |
| <li><a href="../AbstractEventTrainer.html" title="class in opennlp.tools.ml"><code>AbstractEventTrainer</code></a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <li> |
| <section class="field-summary" id="field-summary"> |
| <h2>Field Summary</h2> |
| <div class="caption"><span>Fields</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Field</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#PERCEPTRON_VALUE" class="member-name-link">PERCEPTRON_VALUE</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>static final double</code></div> |
| <div class="col-second odd-row-color"><code><a href="#TOLERANCE_DEFAULT" class="member-name-link">TOLERANCE_DEFAULT</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="fields-inherited-from-class-opennlp.tools.ml.AbstractEventTrainer">Fields inherited from class opennlp.tools.ml.<a href="../AbstractEventTrainer.html" title="class in opennlp.tools.ml">AbstractEventTrainer</a></h3> |
| <code><a href="../AbstractEventTrainer.html#DATA_INDEXER_ONE_PASS_REAL_VALUE">DATA_INDEXER_ONE_PASS_REAL_VALUE</a>, <a href="../AbstractEventTrainer.html#DATA_INDEXER_ONE_PASS_VALUE">DATA_INDEXER_ONE_PASS_VALUE</a>, <a href="../AbstractEventTrainer.html#DATA_INDEXER_PARAM">DATA_INDEXER_PARAM</a>, <a href="../AbstractEventTrainer.html#DATA_INDEXER_TWO_PASS_VALUE">DATA_INDEXER_TWO_PASS_VALUE</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="fields-inherited-from-class-opennlp.tools.ml.AbstractTrainer">Fields inherited from class opennlp.tools.ml.<a href="../AbstractTrainer.html" title="class in opennlp.tools.ml">AbstractTrainer</a></h3> |
| <code><a href="../AbstractTrainer.html#ALGORITHM_PARAM">ALGORITHM_PARAM</a>, <a href="../AbstractTrainer.html#CUTOFF_DEFAULT">CUTOFF_DEFAULT</a>, <a href="../AbstractTrainer.html#CUTOFF_PARAM">CUTOFF_PARAM</a>, <a href="../AbstractTrainer.html#ITERATIONS_DEFAULT">ITERATIONS_DEFAULT</a>, <a href="../AbstractTrainer.html#ITERATIONS_PARAM">ITERATIONS_PARAM</a>, <a href="../AbstractTrainer.html#TRAINER_TYPE_PARAM">TRAINER_TYPE_PARAM</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="fields-inherited-from-class-opennlp.tools.ml.EventTrainer">Fields inherited from interface opennlp.tools.ml.<a href="../EventTrainer.html" title="interface in opennlp.tools.ml">EventTrainer</a></h3> |
| <code><a href="../EventTrainer.html#EVENT_VALUE">EVENT_VALUE</a></code></div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table two-column-summary"> |
| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">PerceptronTrainer</a>()</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Instantiates a <a href="PerceptronTrainer.html" title="class in opennlp.tools.ml.perceptron"><code>PerceptronTrainer</code></a> with default training parameters.</div> |
| </div> |
| <div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(opennlp.tools.util.TrainingParameters)" class="member-name-link">PerceptronTrainer</a><wbr>(<a href="../../util/TrainingParameters.html" title="class in opennlp.tools.util">TrainingParameters</a> parameters)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Instantiates a <a href="PerceptronTrainer.html" title="class in opennlp.tools.ml.perceptron"><code>PerceptronTrainer</code></a> with specific |
| <a href="../../util/TrainingParameters.html" title="class in opennlp.tools.util"><code>TrainingParameters</code></a>.</div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div> |
| <div id="method-summary-table.tabpanel" role="tabpanel"> |
| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../model/AbstractModel.html" title="class in opennlp.tools.ml.model">AbstractModel</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#doTrain(opennlp.tools.ml.model.DataIndexer)" class="member-name-link">doTrain</a><wbr>(<a href="../model/DataIndexer.html" title="interface in opennlp.tools.ml.model">DataIndexer</a> indexer)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isSortAndMerge()" class="member-name-link">isSortAndMerge</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setSkippedAveraging(boolean)" class="member-name-link">setSkippedAveraging</a><wbr>(boolean averaging)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Enables skipped averaging, this flag changes the standard |
| averaging to special averaging instead.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setStepSizeDecrease(double)" class="member-name-link">setStepSizeDecrease</a><wbr>(double decrease)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Enables and sets step size decrease.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setTolerance(double)" class="member-name-link">setTolerance</a><wbr>(double tolerance)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Specifies the tolerance.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../model/AbstractModel.html" title="class in opennlp.tools.ml.model">AbstractModel</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#trainModel(int,opennlp.tools.ml.model.DataIndexer,int)" class="member-name-link">trainModel</a><wbr>(int iterations, |
| <a href="../model/DataIndexer.html" title="interface in opennlp.tools.ml.model">DataIndexer</a> di, |
| int cutoff)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Trains a <a href="PerceptronModel.html" title="class in opennlp.tools.ml.perceptron"><code>PerceptronModel</code></a> with given parameters.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../model/AbstractModel.html" title="class in opennlp.tools.ml.model">AbstractModel</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#trainModel(int,opennlp.tools.ml.model.DataIndexer,int,boolean)" class="member-name-link">trainModel</a><wbr>(int iterations, |
| <a href="../model/DataIndexer.html" title="interface in opennlp.tools.ml.model">DataIndexer</a> di, |
| int cutoff, |
| boolean useAverage)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Trains a <a href="PerceptronModel.html" title="class in opennlp.tools.ml.perceptron"><code>PerceptronModel</code></a> with given parameters.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#validate()" class="member-name-link">validate</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Checks the configured <a href="../../util/TrainingParameters.html" title="class in opennlp.tools.util"><code>parameters</code></a>.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-opennlp.tools.ml.AbstractEventTrainer">Methods inherited from class opennlp.tools.ml.<a href="../AbstractEventTrainer.html" title="class in opennlp.tools.ml">AbstractEventTrainer</a></h3> |
| <code><a href="../AbstractEventTrainer.html#getDataIndexer(opennlp.tools.util.ObjectStream)">getDataIndexer</a>, <a href="../AbstractEventTrainer.html#train(opennlp.tools.ml.model.DataIndexer)">train</a>, <a href="../AbstractEventTrainer.html#train(opennlp.tools.util.ObjectStream)">train</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-opennlp.tools.ml.AbstractTrainer">Methods inherited from class opennlp.tools.ml.<a href="../AbstractTrainer.html" title="class in opennlp.tools.ml">AbstractTrainer</a></h3> |
| <code><a href="../AbstractTrainer.html#getAlgorithm()">getAlgorithm</a>, <a href="../AbstractTrainer.html#getCutoff()">getCutoff</a>, <a href="../AbstractTrainer.html#getIterations()">getIterations</a>, <a href="../AbstractTrainer.html#init(opennlp.tools.util.TrainingParameters,java.util.Map)">init</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-opennlp.tools.commons.Trainer">Methods inherited from interface opennlp.tools.commons.<a href="../../commons/Trainer.html" title="interface in opennlp.tools.commons">Trainer</a></h3> |
| <code><a href="../../commons/Trainer.html#init(opennlp.tools.util.TrainingParameters,java.util.Map)">init</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li> |
| <section class="field-details" id="field-detail"> |
| <h2>Field Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="PERCEPTRON_VALUE"> |
| <h3>PERCEPTRON_VALUE</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name">PERCEPTRON_VALUE</span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../constant-values.html#opennlp.tools.ml.perceptron.PerceptronTrainer.PERCEPTRON_VALUE">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="TOLERANCE_DEFAULT"> |
| <h3>TOLERANCE_DEFAULT</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type">double</span> <span class="element-name">TOLERANCE_DEFAULT</span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../constant-values.html#opennlp.tools.ml.perceptron.PerceptronTrainer.TOLERANCE_DEFAULT">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>()"> |
| <h3>PerceptronTrainer</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">PerceptronTrainer</span>()</div> |
| <div class="block">Instantiates a <a href="PerceptronTrainer.html" title="class in opennlp.tools.ml.perceptron"><code>PerceptronTrainer</code></a> with default training parameters.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="<init>(opennlp.tools.util.TrainingParameters)"> |
| <h3>PerceptronTrainer</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">PerceptronTrainer</span><wbr><span class="parameters">(<a href="../../util/TrainingParameters.html" title="class in opennlp.tools.util">TrainingParameters</a> parameters)</span></div> |
| <div class="block">Instantiates a <a href="PerceptronTrainer.html" title="class in opennlp.tools.ml.perceptron"><code>PerceptronTrainer</code></a> with specific |
| <a href="../../util/TrainingParameters.html" title="class in opennlp.tools.util"><code>TrainingParameters</code></a>.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>parameters</code> - The <a href="../../util/TrainingParameters.html" title="class in opennlp.tools.util"><code>parameter</code></a> to use.</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="validate()"> |
| <h3>validate</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">validate</span>()</div> |
| <div class="block">Checks the configured <a href="../../util/TrainingParameters.html" title="class in opennlp.tools.util"><code>parameters</code></a>. |
| If a subclass overrides this, it should call <code>super.validate();</code>.</div> |
| <dl class="notes"> |
| <dt>Overrides:</dt> |
| <dd><code><a href="../AbstractEventTrainer.html#validate()">validate</a></code> in class <code><a href="../AbstractEventTrainer.html" title="class in opennlp.tools.ml">AbstractEventTrainer</a></code></dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - Thrown if the algorithm name is not equal to |
| {<a href="#PERCEPTRON_VALUE"><code>PERCEPTRON_VALUE</code></a>}.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isSortAndMerge()"> |
| <h3>isSortAndMerge</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">isSortAndMerge</span>()</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../AbstractEventTrainer.html#isSortAndMerge()">isSortAndMerge</a></code> in class <code><a href="../AbstractEventTrainer.html" title="class in opennlp.tools.ml">AbstractEventTrainer</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="doTrain(opennlp.tools.ml.model.DataIndexer)"> |
| <h3>doTrain</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../model/AbstractModel.html" title="class in opennlp.tools.ml.model">AbstractModel</a></span> <span class="element-name">doTrain</span><wbr><span class="parameters">(<a href="../model/DataIndexer.html" title="interface in opennlp.tools.ml.model">DataIndexer</a> indexer)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../AbstractEventTrainer.html#doTrain(opennlp.tools.ml.model.DataIndexer)">doTrain</a></code> in class <code><a href="../AbstractEventTrainer.html" title="class in opennlp.tools.ml">AbstractEventTrainer</a></code></dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setTolerance(double)"> |
| <h3>setTolerance</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setTolerance</span><wbr><span class="parameters">(double tolerance)</span></div> |
| <div class="block">Specifies the tolerance. If the change in training set accuracy |
| is less than this, stop iterating.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>tolerance</code> - The level of tolerance. |
| Must not be negative.</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - Thrown if parameters are invalid.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setStepSizeDecrease(double)"> |
| <h3>setStepSizeDecrease</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setStepSizeDecrease</span><wbr><span class="parameters">(double decrease)</span></div> |
| <div class="block">Enables and sets step size decrease. The step size is |
| decreased every iteration by the specified value.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>decrease</code> - The step size decrease in percent. |
| Must not be negative.</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - Thrown if parameters are invalid.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setSkippedAveraging(boolean)"> |
| <h3>setSkippedAveraging</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setSkippedAveraging</span><wbr><span class="parameters">(boolean averaging)</span></div> |
| <div class="block">Enables skipped averaging, this flag changes the standard |
| averaging to special averaging instead. |
| <p> |
| If we are doing averaging, and the current iteration is one |
| of the first 20, or if it is a perfect square, then updated the |
| summed parameters. |
| <p> |
| The reason we don't take all of them is that the parameters change |
| less toward the end of training, so they drown out the contributions |
| of the more volatile early iterations. The use of perfect |
| squares allows us to sample from successively farther apart iterations.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>averaging</code> - Whether to skip 'averaging', or not.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="trainModel(int,opennlp.tools.ml.model.DataIndexer,int)"> |
| <h3>trainModel</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../model/AbstractModel.html" title="class in opennlp.tools.ml.model">AbstractModel</a></span> <span class="element-name">trainModel</span><wbr><span class="parameters">(int iterations, |
| <a href="../model/DataIndexer.html" title="interface in opennlp.tools.ml.model">DataIndexer</a> di, |
| int cutoff)</span></div> |
| <div class="block">Trains a <a href="PerceptronModel.html" title="class in opennlp.tools.ml.perceptron"><code>PerceptronModel</code></a> with given parameters.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>iterations</code> - The number of iterations to use for training.</dd> |
| <dd><code>di</code> - The <a href="../model/DataIndexer.html" title="interface in opennlp.tools.ml.model"><code>DataIndexer</code></a> used as data input.</dd> |
| <dd><code>cutoff</code> - The {<a href="../AbstractTrainer.html#CUTOFF_PARAM"><code>AbstractTrainer.CUTOFF_PARAM</code></a>} value to use for training.</dd> |
| <dt>Returns:</dt> |
| <dd>A valid, trained <a href="../model/AbstractModel.html" title="class in opennlp.tools.ml.model"><code>perceptron model</code></a>.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="trainModel(int,opennlp.tools.ml.model.DataIndexer,int,boolean)"> |
| <h3>trainModel</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../model/AbstractModel.html" title="class in opennlp.tools.ml.model">AbstractModel</a></span> <span class="element-name">trainModel</span><wbr><span class="parameters">(int iterations, |
| <a href="../model/DataIndexer.html" title="interface in opennlp.tools.ml.model">DataIndexer</a> di, |
| int cutoff, |
| boolean useAverage)</span></div> |
| <div class="block">Trains a <a href="PerceptronModel.html" title="class in opennlp.tools.ml.perceptron"><code>PerceptronModel</code></a> with given parameters.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>iterations</code> - The number of iterations to use for training.</dd> |
| <dd><code>di</code> - The <a href="../model/DataIndexer.html" title="interface in opennlp.tools.ml.model"><code>DataIndexer</code></a> used as data input.</dd> |
| <dd><code>cutoff</code> - The {<a href="../AbstractTrainer.html#CUTOFF_PARAM"><code>AbstractTrainer.CUTOFF_PARAM</code></a>} value to use for training.</dd> |
| <dd><code>useAverage</code> - Whether to use 'averaging', or not. |
| See {<a href="#setSkippedAveraging(boolean)"><code>setSkippedAveraging(boolean)</code></a>} for details.</dd> |
| <dt>Returns:</dt> |
| <dd>A valid, trained <a href="../model/AbstractModel.html" title="class in opennlp.tools.ml.model"><code>perceptron model</code></a>.</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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