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<div class="subTitle">org.apache.spark.ml.feature</div>
<h2 title="Class Word2Vec" class="title">Class Word2Vec</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<ul class="inheritance">
<li><a href="../../../../../org/apache/spark/ml/PipelineStage.html" title="class in org.apache.spark.ml">org.apache.spark.ml.PipelineStage</a></li>
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<li><a href="../../../../../org/apache/spark/ml/Estimator.html" title="class in org.apache.spark.ml">org.apache.spark.ml.Estimator</a><<a href="../../../../../org/apache/spark/ml/feature/Word2VecModel.html" title="class in org.apache.spark.ml.feature">Word2VecModel</a>></li>
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<ul class="inheritance">
<li>org.apache.spark.ml.feature.Word2Vec</li>
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<dt>All Implemented Interfaces:</dt>
<dd>java.io.Serializable, <a href="../../../../../org/apache/spark/Logging.html" title="interface in org.apache.spark">Logging</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html" title="interface in org.apache.spark.ml.param">Params</a>, <a href="../../../../../org/apache/spark/ml/util/Identifiable.html" title="interface in org.apache.spark.ml.util">Identifiable</a></dd>
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<br>
<pre>public final class <span class="strong">Word2Vec</span>
extends <a href="../../../../../org/apache/spark/ml/Estimator.html" title="class in org.apache.spark.ml">Estimator</a><<a href="../../../../../org/apache/spark/ml/feature/Word2VecModel.html" title="class in org.apache.spark.ml.feature">Word2VecModel</a>></pre>
<div class="block">:: Experimental ::
Word2Vec trains a model of <code>Map(String, Vector)</code>, i.e. transforms a word into a code for further
natural language processing or machine learning process.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../serialized-form.html#org.apache.spark.ml.feature.Word2Vec">Serialized Form</a></dd></dl>
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<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#Word2Vec()">Word2Vec</a></strong>()</code> </td>
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<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#Word2Vec(java.lang.String)">Word2Vec</a></strong>(java.lang.String uid)</code> </td>
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<h3>Method Summary</h3>
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<caption><span>Methods</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#copy(org.apache.spark.ml.param.ParamMap)">copy</a></strong>(<a href="../../../../../org/apache/spark/ml/param/ParamMap.html" title="class in org.apache.spark.ml.param">ParamMap</a> extra)</code>
<div class="block">Creates a copy of this instance with the same UID and some extra params.</div>
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<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/spark/ml/feature/Word2VecModel.html" title="class in org.apache.spark.ml.feature">Word2VecModel</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#fit(org.apache.spark.sql.DataFrame)">fit</a></strong>(<a href="../../../../../org/apache/spark/sql/DataFrame.html" title="class in org.apache.spark.sql">DataFrame</a> dataset)</code>
<div class="block">Fits a model to the input data.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#getMinCount()">getMinCount</a></strong>()</code> </td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#getNumPartitions()">getNumPartitions</a></strong>()</code> </td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#getVectorSize()">getVectorSize</a></strong>()</code> </td>
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<td class="colFirst"><code><a href="../../../../../org/apache/spark/ml/param/IntParam.html" title="class in org.apache.spark.ml.param">IntParam</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#minCount()">minCount</a></strong>()</code>
<div class="block">The minimum number of times a token must appear to be included in the word2vec model's
vocabulary.</div>
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<td class="colFirst"><code><a href="../../../../../org/apache/spark/ml/param/IntParam.html" title="class in org.apache.spark.ml.param">IntParam</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#numPartitions()">numPartitions</a></strong>()</code>
<div class="block">Number of partitions for sentences of words.</div>
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<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#setInputCol(java.lang.String)">setInputCol</a></strong>(java.lang.String value)</code> </td>
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<td class="colFirst"><code><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#setMaxIter(int)">setMaxIter</a></strong>(int value)</code> </td>
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<td class="colFirst"><code><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#setMinCount(int)">setMinCount</a></strong>(int value)</code> </td>
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<td class="colFirst"><code><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#setNumPartitions(int)">setNumPartitions</a></strong>(int value)</code> </td>
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<td class="colFirst"><code><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#setOutputCol(java.lang.String)">setOutputCol</a></strong>(java.lang.String value)</code> </td>
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<td class="colFirst"><code><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#setSeed(long)">setSeed</a></strong>(long value)</code> </td>
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<td class="colFirst"><code><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#setStepSize(double)">setStepSize</a></strong>(double value)</code> </td>
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<td class="colFirst"><code><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#setVectorSize(int)">setVectorSize</a></strong>(int value)</code> </td>
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<td class="colFirst"><code><a href="../../../../../org/apache/spark/sql/types/StructType.html" title="class in org.apache.spark.sql.types">StructType</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#transformSchema(org.apache.spark.sql.types.StructType)">transformSchema</a></strong>(<a href="../../../../../org/apache/spark/sql/types/StructType.html" title="class in org.apache.spark.sql.types">StructType</a> schema)</code>
<div class="block">:: DeveloperApi ::</div>
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<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#uid()">uid</a></strong>()</code>
<div class="block">An immutable unique ID for the object and its derivatives.</div>
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<td class="colFirst"><code><a href="../../../../../org/apache/spark/sql/types/StructType.html" title="class in org.apache.spark.sql.types">StructType</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#validateAndTransformSchema(org.apache.spark.sql.types.StructType)">validateAndTransformSchema</a></strong>(<a href="../../../../../org/apache/spark/sql/types/StructType.html" title="class in org.apache.spark.sql.types">StructType</a> schema)</code>
<div class="block">Validate and transform the input schema.</div>
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<td class="colFirst"><code><a href="../../../../../org/apache/spark/ml/param/IntParam.html" title="class in org.apache.spark.ml.param">IntParam</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html#vectorSize()">vectorSize</a></strong>()</code>
<div class="block">The dimension of the code that you want to transform from words.</div>
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<code><a href="../../../../../org/apache/spark/ml/Estimator.html#fit(org.apache.spark.sql.DataFrame, org.apache.spark.ml.param.ParamMap)">fit</a>, <a href="../../../../../org/apache/spark/ml/Estimator.html#fit(org.apache.spark.sql.DataFrame, org.apache.spark.ml.param.ParamMap[])">fit</a>, <a href="../../../../../org/apache/spark/ml/Estimator.html#fit(org.apache.spark.sql.DataFrame, org.apache.spark.ml.param.ParamPair, org.apache.spark.ml.param.ParamPair...)">fit</a>, <a href="../../../../../org/apache/spark/ml/Estimator.html#fit(org.apache.spark.sql.DataFrame, org.apache.spark.ml.param.ParamPair, scala.collection.Seq)">fit</a></code></li>
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<code><a href="../../../../../org/apache/spark/ml/param/Params.html#clear(org.apache.spark.ml.param.Param)">clear</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#copyValues(T, org.apache.spark.ml.param.ParamMap)">copyValues</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#defaultCopy(org.apache.spark.ml.param.ParamMap)">defaultCopy</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#defaultParamMap()">defaultParamMap</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#explainParam(org.apache.spark.ml.param.Param)">explainParam</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#explainParams()">explainParams</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#extractParamMap()">extractParamMap</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#extractParamMap(org.apache.spark.ml.param.ParamMap)">extractParamMap</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#get(org.apache.spark.ml.param.Param)">get</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#getDefault(org.apache.spark.ml.param.Param)">getDefault</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#getOrDefault(org.apache.spark.ml.param.Param)">getOrDefault</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#getParam(java.lang.String)">getParam</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#hasDefault(org.apache.spark.ml.param.Param)">hasDefault</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#hasParam(java.lang.String)">hasParam</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#isDefined(org.apache.spark.ml.param.Param)">isDefined</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#isSet(org.apache.spark.ml.param.Param)">isSet</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#paramMap()">paramMap</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#params()">params</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#set(org.apache.spark.ml.param.Param, T)">set</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#set(org.apache.spark.ml.param.ParamPair)">set</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#set(java.lang.String, java.lang.Object)">set</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#setDefault(org.apache.spark.ml.param.Param, T)">setDefault</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#setDefault(scala.collection.Seq)">setDefault</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#shouldOwn(org.apache.spark.ml.param.Param)">shouldOwn</a>, <a href="../../../../../org/apache/spark/ml/param/Params.html#validateParams()">validateParams</a></code></li>
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<h3>Methods inherited from interface org.apache.spark.<a href="../../../../../org/apache/spark/Logging.html" title="interface in org.apache.spark">Logging</a></h3>
<code><a href="../../../../../org/apache/spark/Logging.html#initializeIfNecessary()">initializeIfNecessary</a>, <a href="../../../../../org/apache/spark/Logging.html#initializeLogging()">initializeLogging</a>, <a href="../../../../../org/apache/spark/Logging.html#isTraceEnabled()">isTraceEnabled</a>, <a href="../../../../../org/apache/spark/Logging.html#log_()">log_</a>, <a href="../../../../../org/apache/spark/Logging.html#log()">log</a>, <a href="../../../../../org/apache/spark/Logging.html#logDebug(scala.Function0)">logDebug</a>, <a href="../../../../../org/apache/spark/Logging.html#logDebug(scala.Function0, java.lang.Throwable)">logDebug</a>, <a href="../../../../../org/apache/spark/Logging.html#logError(scala.Function0)">logError</a>, <a href="../../../../../org/apache/spark/Logging.html#logError(scala.Function0, java.lang.Throwable)">logError</a>, <a href="../../../../../org/apache/spark/Logging.html#logInfo(scala.Function0)">logInfo</a>, <a href="../../../../../org/apache/spark/Logging.html#logInfo(scala.Function0, java.lang.Throwable)">logInfo</a>, <a href="../../../../../org/apache/spark/Logging.html#logName()">logName</a>, <a href="../../../../../org/apache/spark/Logging.html#logTrace(scala.Function0)">logTrace</a>, <a href="../../../../../org/apache/spark/Logging.html#logTrace(scala.Function0, java.lang.Throwable)">logTrace</a>, <a href="../../../../../org/apache/spark/Logging.html#logWarning(scala.Function0)">logWarning</a>, <a href="../../../../../org/apache/spark/Logging.html#logWarning(scala.Function0, java.lang.Throwable)">logWarning</a></code></li>
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<pre>public Word2Vec(java.lang.String uid)</pre>
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<pre>public Word2Vec()</pre>
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<pre>public java.lang.String uid()</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/spark/ml/util/Identifiable.html#uid()">Identifiable</a></code></strong></div>
<div class="block">An immutable unique ID for the object and its derivatives.</div>
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<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/spark/ml/util/Identifiable.html#uid()">uid</a></code> in interface <code><a href="../../../../../org/apache/spark/ml/util/Identifiable.html" title="interface in org.apache.spark.ml.util">Identifiable</a></code></dd>
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<pre>public <a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a> setInputCol(java.lang.String value)</pre>
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<pre>public <a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a> setVectorSize(int value)</pre>
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<pre>public <a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a> setStepSize(double value)</pre>
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<pre>public <a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a> setNumPartitions(int value)</pre>
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<pre>public <a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a> setMaxIter(int value)</pre>
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<pre>public <a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a> setSeed(long value)</pre>
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<pre>public <a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a> setMinCount(int value)</pre>
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<pre>public <a href="../../../../../org/apache/spark/ml/feature/Word2VecModel.html" title="class in org.apache.spark.ml.feature">Word2VecModel</a> fit(<a href="../../../../../org/apache/spark/sql/DataFrame.html" title="class in org.apache.spark.sql">DataFrame</a> dataset)</pre>
<div class="block"><strong>Description copied from class: <code><a href="../../../../../org/apache/spark/ml/Estimator.html#fit(org.apache.spark.sql.DataFrame)">Estimator</a></code></strong></div>
<div class="block">Fits a model to the input data.</div>
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<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/spark/ml/Estimator.html#fit(org.apache.spark.sql.DataFrame)">fit</a></code> in class <code><a href="../../../../../org/apache/spark/ml/Estimator.html" title="class in org.apache.spark.ml">Estimator</a><<a href="../../../../../org/apache/spark/ml/feature/Word2VecModel.html" title="class in org.apache.spark.ml.feature">Word2VecModel</a>></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>dataset</code> - (undocumented)</dd>
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<pre>public <a href="../../../../../org/apache/spark/sql/types/StructType.html" title="class in org.apache.spark.sql.types">StructType</a> transformSchema(<a href="../../../../../org/apache/spark/sql/types/StructType.html" title="class in org.apache.spark.sql.types">StructType</a> schema)</pre>
<div class="block"><strong>Description copied from class: <code><a href="../../../../../org/apache/spark/ml/PipelineStage.html#transformSchema(org.apache.spark.sql.types.StructType)">PipelineStage</a></code></strong></div>
<div class="block">:: DeveloperApi ::
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Derives the output schema from the input schema.</div>
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<pre>public <a href="../../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a> copy(<a href="../../../../../org/apache/spark/ml/param/ParamMap.html" title="class in org.apache.spark.ml.param">ParamMap</a> extra)</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/spark/ml/param/Params.html#copy(org.apache.spark.ml.param.ParamMap)">Params</a></code></strong></div>
<div class="block">Creates a copy of this instance with the same UID and some extra params.
Subclasses should implement this method and set the return type properly.
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<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/spark/ml/param/Params.html#copy(org.apache.spark.ml.param.ParamMap)">copy</a></code> in interface <code><a href="../../../../../org/apache/spark/ml/param/Params.html" title="interface in org.apache.spark.ml.param">Params</a></code></dd>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/spark/ml/Estimator.html#copy(org.apache.spark.ml.param.ParamMap)">copy</a></code> in class <code><a href="../../../../../org/apache/spark/ml/Estimator.html" title="class in org.apache.spark.ml">Estimator</a><<a href="../../../../../org/apache/spark/ml/feature/Word2VecModel.html" title="class in org.apache.spark.ml.feature">Word2VecModel</a>></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>extra</code> - (undocumented)</dd>
<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd><dt><span class="strong">See Also:</span></dt><dd><code>defaultCopy()</code></dd></dl>
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<pre>public <a href="../../../../../org/apache/spark/ml/param/IntParam.html" title="class in org.apache.spark.ml.param">IntParam</a> vectorSize()</pre>
<div class="block">The dimension of the code that you want to transform from words.
Default: 100</div>
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<pre>public int getVectorSize()</pre>
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<pre>public <a href="../../../../../org/apache/spark/ml/param/IntParam.html" title="class in org.apache.spark.ml.param">IntParam</a> numPartitions()</pre>
<div class="block">Number of partitions for sentences of words.
Default: 1</div>
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<pre>public int getNumPartitions()</pre>
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<pre>public <a href="../../../../../org/apache/spark/ml/param/IntParam.html" title="class in org.apache.spark.ml.param">IntParam</a> minCount()</pre>
<div class="block">The minimum number of times a token must appear to be included in the word2vec model's
vocabulary.
Default: 5</div>
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<pre>public int getMinCount()</pre>
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<pre>public <a href="../../../../../org/apache/spark/sql/types/StructType.html" title="class in org.apache.spark.sql.types">StructType</a> validateAndTransformSchema(<a href="../../../../../org/apache/spark/sql/types/StructType.html" title="class in org.apache.spark.sql.types">StructType</a> schema)</pre>
<div class="block">Validate and transform the input schema.</div>
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