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[MLLib] Fix example code variable name misspelling in MLLib Feature Extraction guide #2459

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[MLLib] Fix example code variable name misspelling in MLLib Feature Extraction guide #2459

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2 changes: 1 addition & 1 deletion docs/mllib-feature-extraction.md
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Expand Up @@ -68,7 +68,7 @@ val sc: SparkContext = ...
val documents: RDD[Seq[String]] = sc.textFile("...").map(_.split(" ").toSeq)

val hashingTF = new HashingTF()
val tf: RDD[Vector] = hasingTF.transform(documents)
val tf: RDD[Vector] = hashingTF.transform(documents)
{% endhighlight %}

While applying `HashingTF` only needs a single pass to the data, applying `IDF` needs two passes:
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