16.20 - Example: Returning the Intercept of the Regression Line for NbrSold and SalesPrice - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
16.20
Release Date
March 2019
Content Type
Programming Reference
Publication ID
B035-1145-162K
Language
English (United States)

This example uses the data from the HomeSales table.

SalesPrice NbrSold Area
160000 126 358711030
180000 103 358711030
200000 82 358711030
220000 75 358711030
240000 82 358711030
260000 40 358711030
280000 20 358711030

The following query returns the intercept of the regression line for NbrSold and SalesPrice in the range of 160000 to 280000 in the 358711030 area.

   SELECT CAST (REGR_INTERCEPT(NbrSold,SalesPrice) AS DECIMAL (5,1))
   FROM HomeSales
   WHERE area = 358711030 
   AND SalesPrice BETWEEN 160000 AND 280000;
   

Here is the result:

   REGR_INTERCEPT(NbrSold,SalesPrice)
   ----------------------------------
                                249.9