TD_PolynomialFeaturesFit Function | Teradata Vantage - TD_PolynomialFeaturesFit - Teradata® Database

Database Analytic Functions

Product
Teradata® Database
Release Number
17.10
Published
July 2021
Language
English (United States)
Last Update
2021-07-28
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Teradata_Vantage™___Advanced_SQL_Engine_Analytic_Functions.withLogo_upload_July2021/wnd1589838592459.ditamap
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Teradata_Vantage™___Advanced_SQL_Engine_Analytic_Functions.withLogo_upload_July2021/ayr1485454803741.ditaval
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B035-1206
lifecycle
previous
Product Category
Teradata Vantage™

TD_PolynomialFeaturesFit function stores all the specified values in the argument in a tabular format.

All polynomial combinations of the features with degrees less than or equal to the specified degree are generated. For example, for a 2-D input sample [x, y], the degree-2 polynomial features are [x, y, x-squared, xy, y-squared,1].

  • This function requires the UTF8 client character set for UNICODE data.
  • This function does not support Pass Through Characters (PTCs).

    For information about PTCs, see Teradata Vantage™ - Advanced SQL Engine International Character Set Support, B035-1125.

  • This function does not support KanjiSJIS or Graphic data types.