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[SPARK-20114][ML] spark.ml parity for sequential pattern mining - PrefixSpan #20810

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[SPARK-20114][ML] spark.ml parity for sequential pattern mining - PrefixSpan #20810

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WeichenXu123
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What changes were proposed in this pull request?

PrefixSpan API for spark.ml.

Note: Currently there's no sequential rule mining support in mllib.PrefixSpan so we cannot implement PrefixSpanModel.transform. In this PR, the transform do nothing. Or we can throw out unsupport-operation exception. I am open to both of them.

How was this patch tested?

Testsuite added.

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SparkQA commented Mar 13, 2018

Test build #88207 has finished for PR 20810 at commit c1c5338.

  • This patch passes all tests.
  • This patch merges cleanly.
  • This patch adds no public classes.

@WeichenXu123 WeichenXu123 mentioned this pull request Apr 4, 2018
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According to @jkbradley 's opinion. I create a new PR which only use a static method.

asfgit pushed a commit that referenced this pull request May 7, 2018
@WeichenXu123 @jkbradley
[SPARK-20114][ML] spark.ml parity for sequential pattern mining - Pre…
76ecd09 
…fixSpan

## What changes were proposed in this pull request?

PrefixSpan API for spark.ml. New implementation instead of #20810

## How was this patch tested?

TestSuite added.

Author: WeichenXu <weichen.xu@databricks.com>

Closes #20973 from WeichenXu123/prefixSpan2.
@WeichenXu123 WeichenXu123 deleted the prefix_span branch April 24, 2019 21:18
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