1.1 - 8.10 - NaiveBayesTextClassifierPredict_MLE Example: Responses - 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

The input is the same as in NaiveBayesTextClassifierPredict_MLE Example: TopK.

SQL Call

SELECT * FROM NaiveBayesTextClassifierPredict_MLE (
  ON (
    SELECT doc_id, doc_name, lower(token) AS token FROM TextTokenizer (
      ON complaints_with_docnames PARTITION BY ANY
      USING
      TextColumn ('text_data')
      OutputByWord ('true')
      Accumulate ('doc_id','doc_name')
    ) AS dt1
  ) AS PredictorValues PARTITION BY doc_id
  ON complaints_tokens_model AS "model" DIMENSION
  USING
  InputTokenColumn ('token')
  ModelType ('Bernoulli')
  DocIdColumns ('doc_id')
  Accumulate ('doc_name')
  OutputProb ('true')
  Responses ('crash','no_crash')
) AS dt ORDER BY doc_id;

Output

 doc_id prediction loglik_crash        loglik_no_crash     prob_crash             prob_no_crash       doc_name 
 ------ ---------- ------------------- ------------------- ---------------------- ------------------- -------- 
      1 no_crash   -131.94910249765127  -98.37344066139619  2.619843435790522E-15  0.9999999999999974 A       
      2 no_crash   -106.37022582143115  -93.41932479796596  2.3740732728258604E-6  0.9999976259267271 B       
      3 no_crash   -104.57804977231783  -74.45875519616708  8.305323757638484E-14  0.9999999999999168 C       
      4 no_crash   -109.84041607458022  -80.04840368356992 1.1521085876129415E-13  0.9999999999998849 D       
      5 crash      -115.41886392381602  -117.8143759790836     0.9164844344558446 0.08351556554415548 E       
      6 no_crash    -131.7074631737852 -116.11212602416647   1.686673646176863E-7  0.9999998313326354 F       
      7 crash      -111.70603934552983 -115.48060778944125     0.9775677609771067 0.02243223902289321 G       
      8 no_crash    -111.0525856461103   -91.9733577040394   5.176027601098163E-9  0.9999999948239724 H       
      9 no_crash   -117.02384748590075 -108.85303741743412  2.8270889838546065E-4  0.9997172911016146 I       
     10 no_crash   -105.11394903363593  -82.65103082787691 1.7558142755826997E-10  0.9999999998244187 J