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Commit 425f6916 authored by Yanbo Liang's avatar Yanbo Liang Committed by Joseph K. Bradley
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[SPARK-10574][ML][MLLIB] HashingTF supports MurmurHash3

## What changes were proposed in this pull request?
As the discussion at [SPARK-10574](https://issues.apache.org/jira/browse/SPARK-10574), ```HashingTF``` should support MurmurHash3 and make it as the default hash algorithm. We should also expose set/get API for ```hashAlgorithm```, then users can choose the hash method.

Note: The problem that ```mllib.feature.HashingTF``` behaves differently between Scala/Java and Python will be resolved in the followup work.

## How was this patch tested?
unit tests.

cc jkbradley MLnick

Author: Yanbo Liang <ybliang8@gmail.com>
Author: Joseph K. Bradley <joseph@databricks.com>

Closes #12498 from yanboliang/spark-10574.
parent 88e54218
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