GitHub user WeichenXu123 opened a pull request:
https://github.com/apache/spark/pull/20973
[SPARK-20114][ML] spark.ml parity for sequential pattern mining - PrefixSpan
## What changes were proposed in this pull request?
PrefixSpan API for spark.ml. New implementation instead of #20810
## How was this patch tested?
N/A
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/WeichenXu123/spark prefixSpan2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20973.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #20973
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commit d563c8fab0cb718b511ac78bc38e712a65148d17
Author: WeichenXu <weichen.xu@...>
Date: 2018-04-04T04:42:05Z
init pr
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