1.1 - 8.10 - TextClassifierEvaluator Example - Teradata Vantage

Teradata Vantage™ - Machine Learning Engine Analytic Function Reference

Product
Teradata Vantage
Release Number
1.1
8.10
Release Date
October 2019
Content Type
Programming Reference
Publication ID
B700-4003-079K
Language
English (United States)

Input

SQL Call

SELECT * FROM TextClassifierEvaluator (
  ON TextClassifier (
    ON (SELECT * FROM textclassifier_input)
    USING
    TextColumn ('content')
    Accumulate ('category')
    Model ('knn.bin')
  ) AS dt1 PARTITION BY 1
  USING
  ObservationColumn ('category')
  PredictColumn ('out_category')
) AS dt2;

Output

 precision_val      recall             f_measure          
 ------------------ ------------------ ------------------ 
 0.8333333333333334 0.8333333333333334 0.8333333333333334

Download a zip file of all examples and a SQL script file that creates their input tables from the attachment in the left sidebar.