7.00.02 - SQL-MapReduce Call - Aster Analytics

Teradata Aster® Analytics Foundation User GuideUpdate 2

Product
Aster Analytics
Release Number
7.00.02
Release Date
September 2017
Content Type
Programming Reference
User Guide
Publication ID
B700-1022-700K
Language
English (United States)

The unsupervised model is generated by specifying the user defined threshold values for the different metrics in the ComparisonFields argument. The initialization parameters InitialP, InitialM, InitialU, Lambda, and Mu are set to their default values. The column match_tag is not used for unsupervised learning.

DROP TABLE IF EXISTS fg_unsupervised_model;

CREATE DIMENSION TABLE "fg_unsupervised_model" AS
SELECT * FROM FellegiSunterTrainer (
  ON (SELECT 1) PARTITION BY 1
  InputTable ('fstrainer_input ')
  ComparisonFields ('jaro1_sim: 0.8', 'ld1_sim:0.8', 'ngram1_sim:0.5',
                    'jw1_sim:0.8')
  InitialP (0.1)
  InitialM (0.9)
  InitialU (0.1)
  Lambda (0.9)
  Mu (0.9)
);