1.0 - 8.00 - ShapeletUnsupervised - Teradata Vantage

Teradata® Vantage Machine Learning Engine Analytic Function Reference

Product
Teradata Vantage
Release Number
1.0
8.00
Release Date
May 2019
Content Type
Programming Reference
Publication ID
B700-4003-098K
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).
  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.

Helper Functions

The following helper functions must be installed to run ShapeletUnsupervised. You can install these functions with the command \install filename.ext.
  • sax2.zip
  • UshapeletMasker.zip
  • UshapeletInTimeseries.zip
  • UshapeletTSDistance.zip
  • UshapeletFinderByScore.zip