7.00.02 - 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
dita:mapPath
uce1497542673292.ditamap
dita:ditavalPath
AA-notempfilter_pdf_output.ditaval
dita:id
zuk1466006200888

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)
);