7.00.02 - Input - Aster Analytics

Teradata Aster® Analytics Foundation User GuideUpdate 2

Product
Aster Analytics
Release Number
7.00.02
Published
September 2017
Content Type
Programming Reference
User Guide
Publication ID
B700-1022-700K
Language
English (United States)
Last Update
2018-04-17

The FellegiSunterTrainer function has one required input table, which contains the object pairs, their field-pair similarity values, and (for supervised learning) a tag column. The following table shows the schema of the input table.

FellegiSunterTrainer input_table Schema
Column Name Data Type Description
field-pair_i_sim DOUBLE PRECISION The field-pair similarity value for field-pair i. In input_table, the columns appear in this order: A_field_1, ..., A_field_n, B_field_1, ..., B_field_n, field-pair_1_sim, ..., field-pair_n_sim.
tag_column VARCHAR This column is required only for supervised learning. Row i of this column contains 'M' if field i of object A matches field i of object B; otherwise, it contains 'U'.
To create the input table for the FellegiSunterTrainer function, you can use the function StringSimilarity.