zhangjiajin d212a31422 [SPARK-8998] [MLLIB] Distribute PrefixSpan computation for large projected databases ... Continuation of work by zhangjiajin Closes #7412 Author: zhangjiajin <zhangjiajin@huawei.com> Author: Feynman Liang <fliang@databricks.com> Author: zhang jiajin <zhangjiajin@huawei.com> Closes #7783 from feynmanliang/SPARK-8998-improve-distributed and squashes the following commits: a61943d [Feynman Liang] Collect small patterns to local 4ddf479 [Feynman Liang] Parallelize freqItemCounts ad23aa9 [zhang jiajin] Merge pull request #1 from feynmanliang/SPARK-8998-collectBeforeLocal 87fa021 [Feynman Liang] Improve extend prefix readability c2caa5c [Feynman Liang] Readability improvements and comments 1235cfc [Feynman Liang] Use Iterable[Array[_]] over Array[Array[_]] for database da0091b [Feynman Liang] Use lists for prefixes to reuse data cb2a4fc [Feynman Liang] Inline code for readability 01c9ae9 [Feynman Liang] Add getters 6e149fa [Feynman Liang] Fix splitPrefixSuffixPairs 64271b3 [zhangjiajin] Modified codes according to comments. d2250b7 [zhangjiajin] remove minPatternsBeforeLocalProcessing, add maxSuffixesBeforeLocalProcessing. b07e20c [zhangjiajin] Merge branch 'master' of https://github.com/apache/spark into CollectEnoughPrefixes 095aa3a [zhangjiajin] Modified the code according to the review comments. baa2885 [zhangjiajin] Modified the code according to the review comments. 6560c69 [zhangjiajin] Add feature: Collect enough frequent prefixes before projection in PrefixeSpan a8fde87 [zhangjiajin] Merge branch 'master' of https://github.com/apache/spark 4dd1c8a [zhangjiajin] initialize file before rebase. 078d410 [zhangjiajin] fix a scala style error. 22b0ef4 [zhangjiajin] Add feature: Collect enough frequent prefixes before projection in PrefixSpan. ca9c4c8 [zhangjiajin] Modified the code according to the review comments. 574e56c [zhangjiajin] Add new object LocalPrefixSpan, and do some optimization. ba5df34 [zhangjiajin] Fix a Scala style error. 4c60fb3 [zhangjiajin] Fix some Scala style errors. 1dd33ad [zhangjiajin] Modified the code according to the review comments. 89bc368 [zhangjiajin] Fixed a Scala style error. a2eb14c [zhang jiajin] Delete PrefixspanSuite.scala 951fd42 [zhang jiajin] Delete Prefixspan.scala 575995f [zhangjiajin] Modified the code according to the review comments. 91fd7e6 [zhangjiajin] Add new algorithm PrefixSpan and test file.		2015-07-30 08:14:09 -07:00
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src	[SPARK-8998] [MLLIB] Distribute PrefixSpan computation for large projected databases	2015-07-30 08:14:09 -07:00
pom.xml	[SPARK-8683] [BUILD] Depend on mockito-core instead of mockito-all	2015-06-27 23:27:52 -07:00