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author | Joseph K. Bradley <joseph@databricks.com> | 2015-09-15 19:43:26 -0700 |
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committer | Xiangrui Meng <meng@databricks.com> | 2015-09-15 19:43:26 -0700 |
commit | b921fe4dc0442aa133ab7d55fba24bc798d59aa2 (patch) | |
tree | 5a545ee45ab39f6caad096049818564914635334 /python | |
parent | 64c29afcb787d9f176a197c25314295108ba0471 (diff) | |
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[SPARK-10595] [ML] [MLLIB] [DOCS] Various ML guide cleanups
Various ML guide cleanups.
* ml-guide.md: Make it easier to access the algorithm-specific guides.
* LDA user guide: EM often begins with useless topics, but running longer generally improves them dramatically. E.g., 10 iterations on a Wikipedia dataset produces useless topics, but 50 iterations produces very meaningful topics.
* mllib-feature-extraction.html#elementwiseproduct: “w” parameter should be “scalingVec”
* Clean up Binarizer user guide a little.
* Document in Pipeline that users should not put an instance into the Pipeline in more than 1 place.
* spark.ml Word2Vec user guide: clean up grammar/writing
* Chi Sq Feature Selector docs: Improve text in doc.
CC: mengxr feynmanliang
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #8752 from jkbradley/mlguide-fixes-1.5.
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