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Posted to issues@spark.apache.org by "Mathieu D (JIRA)" <ji...@apache.org> on 2017/03/24 13:15:41 UTC

[jira] [Created] (SPARK-20082) Incremental update of LDA model, by adding initialModel as start point

Mathieu D created SPARK-20082:
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             Summary: Incremental update of LDA model, by adding initialModel as start point
                 Key: SPARK-20082
                 URL: https://issues.apache.org/jira/browse/SPARK-20082
             Project: Spark
          Issue Type: Wish
          Components: MLlib
    Affects Versions: 2.1.0
            Reporter: Mathieu D


Some mllib models support an initialModel to start from and update it incrementally with new data.

From what I understand of OnlineLDAOptimizer, it is possible to incrementally update an existing model with batches of new documents.

I suggest to add an initialModel as a start point for LDA.



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