REGR_INTERCEPT
Returns the y-intercept of the regression line determined by a set of expression pairs. The return value is of type DOUBLE PRECISION
. REGR_INTERCEPT
eliminates expression pairs where either expression in the pair is NULL
. If no rows remain, REGR_INTERCEPT
returns NULL
.
Syntax
SELECT REGR_INTERCEPT ( expression1, expression2 )
Parameters
expression1 |
The dependent DOUBLE PRECISION expression
|
expression2 |
The independent DOUBLE PRECISION expression
|
Example
=> SELECT REGR_INTERCEPT (Annual_salary, Employee_age) FROM employee_dimension; REGR_INTERCEPT ------------------ 59929.5490163437 (1 row)