1.1 - 8.10 - ShapeletUnsupervised (ML Engine) - 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)

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.