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<h2 title="Class HashingTF" class="title">Class HashingTF</h2>
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<pre>public class <span class="strong">HashingTF</span>
extends java.lang.Object
implements scala.Serializable</pre>
<div class="block">:: Experimental ::
 Maps a sequence of terms to their term frequencies using the hashing trick.
 <p>
 param:  numFeatures number of features (default: 2^20^)</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../serialized-form.html#org.apache.spark.mllib.feature.HashingTF">Serialized Form</a></dd></dl>
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<td class="colOne"><code><strong><a href="../../../../../org/apache/spark/mllib/feature/HashingTF.html#HashingTF()">HashingTF</a></strong>()</code>&nbsp;</td>
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<td class="colOne"><code><strong><a href="../../../../../org/apache/spark/mllib/feature/HashingTF.html#HashingTF(int)">HashingTF</a></strong>(int&nbsp;numFeatures)</code>&nbsp;</td>
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<td class="colFirst"><code>int</code></td>
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<td class="colFirst"><code>int</code></td>
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<div class="block">Transforms the input document into a sparse term frequency vector (Java version).</div>
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<pre>public&nbsp;HashingTF()</pre>
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<div class="block">Returns the index of the input term.</div>
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<div class="block">Transforms the input document into a sparse term frequency vector.</div>
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<div class="block">Transforms the input document into a sparse term frequency vector (Java version).</div>
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<div class="block">Transforms the input document to term frequency vectors.</div>
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<div class="block">Transforms the input document to term frequency vectors (Java version).</div>
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