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Name

REGR_INTERCEPT — Returns the y-intercept of the regression line.

Synopsis

numeric REGR_INTERCEPT ( in expr1 any ,
  in expr2 any );
 

Description

REGR_INTERCEPT returns the y-intercept of the regression line. After the elimination of null (expr1, expr2) pairs, it makes the following computation:

AVG(expr1) - REGR_SLOPE(expr1, expr2) * AVG(expr2)

Parameters

expr1

Number expression.

expr2

Number expression.

Return Types

The function returns a value of type NUMERIC. If the function is applied to an empty set, then it returns null.