ShapeletUnsupervised (ML Engine) - Teradata Vantage

Machine Learning Engine Analytic Function Reference

Product
Teradata Vantage
Release Number
8.10
1.1
Published
October 2019
Language
English (United States)
Last Update
2019-12-31
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B700-4003
lifecycle
previous
Product Category
Teradata Vantageā„¢

The ShapeletUnsupervised function takes a set of time series and assigns them to clusters, based on the u_shapelets that it finds.

Steps Function Uses

  1. Saxify the input data (as described in SAX (ML Engine)).
  2. Apply random masking to the input data.
  3. Use statistics to find u_shapelets.
  4. Use scores to find u_shapelets.
  5. Use the u_shapelets to cluster the times series.