1.1 - 8.10 - HMMUnsupervised Syntax - 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)

Version 1.10

SELECT * FROM HMMUnsupervised (
  ON { table_name | view_name | (query) } AS Vertices
    PARTITION BY [ model_key [,...]] sequence_key_attributes 
    ORDER BY [ model_key, ] time_ordered_sequence_attributes ASC
  [ OUT TABLE InitStateTable (init_state_prob) ]
  [ OUT TABLE StateTransitionTable (state_transition_prob) ]
  [ OUT TABLE EmissionTable (emit_prob)]
  USING 
  [ ModelColumn ('model_column') ]
  SeqColumn ('sequence_column')
  ObservationColumn ('observed_column')
  HiddenStateNum (hidden_states)
  [ MaxIterNum (max_iterations) ]
  [ Epsilon (epsilon) ]
  [ SkipColumn ('skip_column') ]
  [ InitMethods ( { 'random' | 'flat' | 'input' }, 'seed') ]
  [ InitParams ('init_state_probability_vector',
                'state_transition_probability_matrix',
                'observation_emission_probability_matrix')
  ]
) AS alias;