Joseph K. Bradley created SPARK-5567:
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Summary: Add prediction methods to LDA
Key: SPARK-5567
URL: https://issues.apache.org/jira/browse/SPARK-5567
Project: Spark
Issue Type: Improvement
Components: MLlib
Affects Versions: 1.3.0
Reporter: Joseph K. Bradley
LDA currently supports prediction on the training set. E.g., you can call
logLikelihood and topicDistributions to get that info for the training data.
However, it should support the same functionality for new (test) documents.
This will require inference but should be able to use the same code, with a few
modification to keep the inferred topics fixed.
Note: The API for these methods is already in the code but is commented out.
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