SQL-MapReduce Call - Aster Analytics

Teradata Aster® Analytics Foundation User GuideUpdate 2

Product
Aster Analytics
Release Number
7.00.02
Published
September 2017
Language
English (United States)
Last Update
2018-04-17
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uce1497542673292.ditamap
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dita:id
B700-1022
lifecycle
previous
Product Category
Software
SELECT userid, itemid, prediction::VARCHAR(4) AS prediction FROM KnnRecommenderPredict (
  ON (SELECT * FROM ml_ratings WHERE userid <= 10) AS ratings
    PARTITION BY userid
  ON ml_bias AS bias DIMENSION
  ON ml_weights AS weights DIMENSION
  TOPK(5)
) ORDER BY 1, 3 DESC;