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

This example uses the data from the HomeSales table.

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

   SELECT CAST (REGR_SLOPE(NbrSold,SalesPrice) AS FLOAT)  
   FROM HomeSales
   WHERE area = 358711030 
   AND SalesPrice BETWEEN 160000 AND 280000;

Here is the result:

   REGR_SLOPE(NbrSold,SalesPrice)
   ------------------------------
           -7.92857142857143E-004