7.00.02 - Input - Aster Analytics

Teradata Aster® Analytics Foundation User GuideUpdate 2

Product
Aster Analytics
Release Number
7.00.02
Published
September 2017
Language
English (United States)
Last Update
2018-04-17
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FFT Input Table Schema
Column Name Data Type Description
id_column Any Contains time series identifiers.
time_column NUMERIC Contains the time axis of the data.
value_column NUMERIC Contains signal values on which to perform FFT. The table has one to 16 such columns.

A 2-dimensional signal of length n is represented in this column as a matrix of sqrt(n) rows and columns, stored in column-major order. (See Example 2: 2D Signal.)

A 3-dimensional signal of length n is represented in this column as a matrix 2 matrixes of sqrt(n) rows and columns, stored in column-major order. (See Example 3: 3D Signal.)