LDATopicSummary Example | Teradata Vantage - LDATopicSummary Example: SummaryOutput ('true') - Teradata Vantage

Input

• ldamodel output table, LDA Example

SQL Call

SELECT * FROM LDATopicSummary (
  ON ldamodel PARTITION BY 1
  USING
  SummaryOutput ('true')
) AS dt;

Output

 message                                                                                                         
 --------------------------------------------------------------------------------------------------------------- 
 The model table is trained with the parameters: topicNumber:5, vocabularySize:309, alpha:0.100000, eta:0.100000
 There are 20 documents with 520 words in the training set, the perplexity is 92.016370

Download a zip file of all examples and a SQL script file that creates their input tables.