TD_KNN
K-nearest Neighbors (k-NN) is a supervised learning technique that predicts the test data by computing nearest neighbors from training data based on a similarity (distance) metric.
TD_KNN supports classification, regression, and neighbors model types. For more information, see Teradata Vantage™ - Analytics Database Analytic Functions.
Setting for Percentage of Data to Scan to Discover Schema
The new SCANPCT clause of CREATE FOREIGN TABLE and READ_NOS specifies the percentage of data to scan to discover the schema of a foreign table. See:
- Teradata Vantage™ - SQL Data Definition Language Syntax and Examples
- Teradata Vantage™ - SQL Data Manipulation Language
- Teradata Vantage™ - SQL Operators and User-Defined Functions